WIRELESS M520 Door Chime Contact Sensor Alarm 7445021037094 Co. Ltd. D015-W 500-FT 58

( Brand: Wireless ), ( Manufacturer Part Number: M520 ), ( Part Type: Chime Contact Sensor Alarm ), ( Style: 1 Sensor 1 Receiver ), ( Power Source: Battery Powered ), ( Noise Level: 120 Decibels ), ( Control Method: App ), ( Battery Cell Type: Alkaline ), ( Batteries Included : Yes ), ( Average Battery Life: 2 Years ), ( Product Dimensions: 2.28 X 1.95 X 3.36 Inches ), ( Item Weight: 5.3 Ounces ), ( Number Of Batteries: 1 Aaa Batteries Required. ), ( Color: White ), ( Sensor Technology: Contact Sensor ), ( Compatible Devices: Door Sensors ), ( Maximum Range: 500 Feet ), ( Included Components: 1 Transmitter, 1 Plug-in Receiver, 1 Adh ), ( UPC: 445021037094 )

Review WIRELESS Co. Ltd. Door Chime Open Contact Sensor Alarm 500 Ft Range 58 Chimes

The Ltd M520 D015-W Door Chime Wireless Contact Sensor Alarm is a versatile and reliable security solution designed to keep your home or office safe. This contact sensor features a sleek white finish that blends seamlessly with any decor, making it an unobtrusive addition to your space.

At the heart of this device is a wireless contact sensor that can detect when a door or window is opened or closed. It operates on a frequency of 433.92 MHz, ensuring a stable and secure connection with the door chime receiver. The sensor has an operating range of up to 500 feet, allowing you to place it far away from the receiver while still maintaining a reliable connection.

The contact sensor is equipped with 58 chimes to choose from, making it easy to distinguish between different doors or windows. Each chime has a distinct tone, allowing you to quickly identify which door or window has been opened or closed. The chimes can be adjusted using the included remote control, adding to the convenience of this device.

The sensor is also designed to be pet-friendly, meaning it can ignore the movements of pets up to 40 pounds. This ensures that false alarms are minimized, allowing you to focus on the security of your space.

The Ltd M520 D015-W Door Chime Wireless Contact Sensor Alarm is easy to install, requiring no wiring or professional installation. The sensor comes with pre-installed batteries, and the receiver can be powered using either batteries or AC power. The device also features a low battery indicator, ensuring that you are always aware when it's time to replace the batteries.

In summary, the Ltd M520 D015-W Door Chime Wireless Contact Sensor Alarm is a versatile and reliable security solution that offers a range of features designed to keep your home or office safe. With its long-range wireless connection, adjustable chimes, pet-friendly design, and easy installation, this device is an essential addition to any security system.

Pros and Cons of buying a LTD M520 D015-W Door Chime Wireless Contact Sensor Alarm

The LTD M520 D015-W Door Chime Wireless Contact Sensor Alarm is a versatile home security device that combines the functions of a door chime and a contact sensor alarm. In this analysis, we will discuss the merits and demerits of investing in this product to help you make an informed buying decision.

1. Long-range wireless connectivity: With a functional range of up to 500 feet, this device offers excellent wireless coverage, ensuring reliable communication between the contact sensor and the door chime.

2. Multiple chime options: The door chime can produce 58 different melody patterns and volume levels, allowing users to customize the alert to their preference.

3. Battery-powered: The unit operates on two AA batteries, providing power autonomy and eliminating the need for wired installations.

4. Contact sensor feature: The contact sensor alarm can detect when doors or windows are opened, adding an extra layer of security to your home.

5. Easy installation: The wireless contact sensor and door chime can be easily installed without the need for professional assistance or complex wiring.

1. Limited battery life: While the battery-powered design offers convenience, the batteries may need to be replaced frequently, depending on the usage patterns and the volume level of the chime.

2. Lack of integration with other systems: This device does not support integration with other smart home systems or voice assistants, which may limit its compatibility with existing home automation setups.

3. No backup power source: In the event of a power outage, the device will not function as intended, as it does not have a backup power source.

The LTD M520 D015-W Door Chime Wireless Contact Sensor Alarm is an effective and versatile home security solution that offers long-range wireless communication, multiple chime options, and contact sensor functionality. While it comes with some limitations, such as limited battery life and no integration with other systems, its pros generally outweigh the cons, making it a worthwhile investment for those seeking a reliable and customizable door chime and contact sensor alarm.

If you are looking for a door chime and contact sensor alarm with a long-range wireless connection, multiple chime options, and easy installation, the LTD M520 D015-W Door Chime Wireless Contact Sensor Alarm is a solid choice. Keep in mind its limited battery life and lack of integration with other systems, and consider these factors when making your purchasing decision.

Details:

Yes, Average Battery Life 2 years, Batteries required. Moreover the door chimes are suitable for windows. How easy is it to replace the transmitter battery. .: Replacing battery very. Which allows battery to be replaced less often, save your time and money.

Set it to mute. Door Chime, Wireless Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter Plug-In Receiver:: Item model number M520 D015-W, Receiver, Power Source Battery Powered, Noise Level 120 Decibels, Control Method App, Cell Type Alkaline, Batteries Included. What about insecure front door, child safety gate, upstairs window, cabinet, basement door. Does its receiver allow pairing with multiple sensors. .: Of course.

Can its sensor detect opening of sliding doors or windows. .: Our door alarms can be used for glass. Does its receiver remember chosen chime and volume level. .: Yes, the remembers level. Prefer not to be disturbed. Yes, Product Dimensions 2.28 x 1.95 3.36 inches, Pile Alkaline, Manufacturer co.

Item Weight 5.3 ounces, Battery Alkaline, Number of Batteries 1 AAA batteries required. Reliable After-sales One Year Warranty Lifetime Friendly Service.: METAK Wireless Door Chime Your Homes Welcoming Voice!: Can its volume be adjusted to very loud levels. .: Yes, the can levels. Purchase Metals door chimes for expansion matching freely.

You can slide off the back cover of transmitter to access and replace battery. The memory function allows it to retain settings when unplugged or off.

part #: m520 prices

• $20.00-$70.01

specifications secimotions:

• brand: Wireless
• mpn: M520
• part type: Chime Contact Sensor Alarm
• style: 1 Sensor 1 Receiver
• power source: Battery Powered
• noise level: 120 Decibels
• control method: App
• battery cell type: Alkaline
• batteries included : Yes
• average battery life: 2 Years
• product dimensions: 2.28 X 1.95 X 3.36 Inches
• item weight: 5.3 Ounces
• number of batteries: 1 Aaa Batteries Required.
• color: White
• sensor technology: Contact Sensor
• compatible devices: Door Sensors
• maximum range: 500 Feet
• included components: 1 Transmitter, 1 Plug-in Receiver, 1 Adh
• upc: 445021037094

returns secimotions:

• policy: Returns Accepted
• paid by: Seller
• method: Money back
• time: 30 Days

shipping secimotions:

• transit: 6-13 Days
• carrier: UPS
• class: Economy
• type: Fixed
• service: UPS Ground Saver
• cost: $0.00

offer secimotions:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: January 8, 2026
• quantity: 1

seller secimotions:

• rating: 99.7%
• city: Fort Lauderdale, Florida
• # reviews: 371

general secimotions:

• Surveillance Smart Home Electronics > Home Surveillance > Sensors Motion Detectors
• condition: New

payments secimotions:

• credit card: Diners-club
• wallet: Apple-pay
• other

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