Voice Light Burglar Alarm: Once triggered, super loud voice will be a great deterrence, can effectively scare the thieves and intruders away. Easy Operation: With remote control, it will be convenient to activate and deactivate alarm. Simple Installation: There is double-sided adhesive on host alarm and magnet bar, just peel and stick to install them on the door, window or anywhere. Great For: Can be used in home, apartment, shop, office, garage. It is also suitable for kids, elderly, dementia and patients security. Flexible Options: If you need extra remote controls for family member or just for spare. Just search "Mengshen remote control". Main parameters Alarm type: Wireless Detector Mode: magnetic sensor Alarm Sound: 105db Material: ABS Alarm output: Sound and Light Remote distance: 50m Host power supply: 2*AAA batteries (Not included) Remote control power supply: 27A 12V Alkaline battery (Included) 105db Super Loud Sensor Alarm Tiny and Fashion design. This Burglar Alarm is specially designed for single apartment, rental housing, shop, mall and residential house. Avoid Error-opening Safety Alarm When baby/ kids try to open balcony window and climb out, the loud voice will stop them and alert parents.