• 1. All-in-One Door Alarm System - Protection key, Protection Removal Key, SOS Key and Door bell key in one remote control..
• 2. Built-In Magnetic Contact Sensor - When the distance of two door magnetic is over 1cm, the alarm will give signal..
• 3. Wireless Remote control - Control distance max. 150m (No Obstruction), and max. 15m (Wall Blocking)..
• 4. Multi-control System - One Alarm can be controlled by 8 remote controllers at the same time..

Description: Item type: Wireless Anti-Theft Door Alarm Application: Home Door and Window, Hotel, Office, Bussiness occassions etc. Function: Anti-Theft Alarm, Door bell, Kids & Seniors Security system, Color: White Style: Modern Sensor: Magnetic Contact Sensor Multi-control System: One Alarm controlled by 8 remote controllers simultaneously. One Remote Control to 50 Door Alarms simultaneously. 4 Keys: Protection key, Protection Removal Key, SOS Key, Door bell key Alarm volume: 110dB Control Distance: max.150m (No Obstruction), and max.15m (Wall Blocking) Working Voltage: 1.5V Current: 1.5mA Host Battery: 2 * AAA alkaline battery(not included) Remote Control Battery: 1 * 27A Battery(not included) Battery life: more than 1 yeay Package included: 1x Wireless Anti-Theft Door Alarm 1x Remote Control 1x Magnet Bar Please contact us first when you have any problem,we will give you the best service and solve the problem ASAP.Thank you so much.