Wireless Door Chime , Daytech Door Sensor Alarm with 5 Volume for Bussiness Store Office Home When Entering , Door Ring Bell Alert 3 Transmittlers + 3 Receivers - DC01 3-3 US

• Easy to Install : Wireless door sensor chime is easy to set up. The sensor and receiver are paired already. Just plug the doorbell receiver into any standard outlet, tear the double- sided adhesive tape of door sensor and stick them to the door or window is fine. Built to Last : New upgraded door sensor chime. Designed with ultra-low power design, Daytech door sensor chime allows the battery to last up to 11000 times. Our door opening alert chime is made of ABS material more sturdy and durable. Long Range & Expandable : Daytech Door Chime Wireless Door Sensor has a 1000ft operating range. It meets the needs of long-distance and multiple pairings for home, businesses, and stores. All Daytech brand's door entry chime and sensor alarm can be paired with each other. Each door opening chime for business can be paired with unlimited number of sensors. Mute to 110 dB & 55 Chimes : This door alarm chime has 55 different ringtones and 5 adjustable volume from 0-110 dB mute mode that you will never miss any alert. It also has LED indicator and small night light. Memory function: Keep the previous setted tune after re-plugging it. Door Alarms for Home Security : This entry alert chime can be a good reminder for you if your toddler or the elderly with dementia trying to get out of the house. Besides, this door sensor chime when burglar opens door and helps deter break-ins.