Wireless Door Sensor Alarm - 600ft Range, 58 Ringtones

Master Each Area You Care

This wireless door chime covers a far-reaching 600 feet (150 meters), ensuring every door and window in your house is within range. The chime signal easily penetrates doors and walls, allowing you to hear it even from another room or floor. Note that battery level affects signal range; it is recommended to change the battery every 8 months for optimal performance.

58 Melodies & 5 Volume Settings

Experience 58 unique melodies and adjustable volume settings from 0 dB to 110 dB to suit your needs. The device remembers your last selected melody and volume level after a power outage, eliminating the need for reset. Enjoy personalized chime sounds for different occasions.

Expandable to Fit Your Space

Each wireless doorbell receiver can pair up to 20 magnetic door alarm sensors, and each sensor can add unlimited receivers. Use them with additional BITIWEND door sensors or doorbells. Install these versatile chimes in your dining room, bedroom, living room, garage, yard, or even in your store or office.

Up to 600 FT Working Range

Designed for expansive coverage, this wireless door sensor chime works optimally in open areas up to 600 feet. Ensure you never miss a visitor. Note that battery level can affect the signal range; changing the battery every 12 months is recommended for best performance.

Easy to Install and Use

Installation is quick and simple. Plug the doorbell receiver into any standard outlet, peel the double-sided adhesive tape (or screw mount) to attach the door sensor to the door or window. Please remove the insulating paper before use.