Door Open Sensor Alarm 105dB Low Battery Alert Doorbell Function Wireless Window Alarm with Remote

Feature: 1. Versatile Usage: Door open sensor alarm is designed for home security, suitable for rental apartments, villas and so on. 2. Low Battery Alert: Wireless window alarm with 105dB super loud alarm to scare away thieves and also has low battery alert with LED indicator. 3. Doorbell Function: Wireless door alarm also has a doorbell function to remind people at home to open the door for you. 4. Long Battery Life: The battery can last for more than 1 year, offering long lasting and reliable performance for home security. 5. Easy to Install: Door window alarm can be easily mounted to a window or door with the included double sided tape, no tools required. Specification: Item Type: Wireless Remote Door Alarm Main Battery: AAA alkaline battery x 2 (batteries not included) Remote Control Battery: 27A 12V alkaline battery x 1 (included, capacity 30mAh) Remote Control Distance: approx. 30M/98.4ft without obstacles Battery Life: more than 1 year Operating Temperature: -10 to 60 degrees C Operating Humidity: <80percent Storage Temperature: -20 degrees C to 70 degrees C. Package List: 1 x Alarm 1 x Remote Control 1 x Magstripe 3 x Double Sided Tapes 1 x English Instruction Manual