4 Set Door Window Alarm 120DB High Accuracy Safety Door Window Detector for Home Hotel

Feature: 1. 120DB: Security door alarm with 120DB to detects entry, prevent kids and babies going out the house, protecting your home or office safety. 2. Low Voltage Warning: You will easily know when to replace the batteries with door alarm"s low battery indicator, no worry about failing to work. 3. Simple Installation: Ultra slim door and window alarm, can be easily installed on any door or window, which will not damage your furnitures. 4. High Accuracy: Door bell alarm is suitable for sleeping alone children, the elderly and pregnant women, with high accuracy, and never false alarm. 5. Easy Use: When opening the door, the main machine will make a alarm sound of 120DB. When the door is closed, the alarm sound will stop. Specification: Item Type: Door Window Alarm Material: ABS Single Sensor Battery: 3 x LR44 Button Batteries 150mah (Included) Alarm Volume: 120DB Voltage: 4.5V Current: 60mA. Package List: 4 x Sets of Door Alarm1 x Instruction120DB: Security door alarm with 120DB to detects entry, prevent kids and babies going out the house, protecting your home or office safety. Low Voltage Warning: You will easily know when to replace the batteries with door alarm"s low battery indicator, no worry about failing to work. Simple Installation: Ultra slim door and window alarm, can be easily installed on any door or window, which will not damage your furnitures. High Accuracy: Door bell alarm is suitable for sleeping alone children, the elderly and pregnant women, with high accuracy, and never false alarm. Easy Use: When opening the door, the main machine will make a alarm sound of 120DB. When the door is closed, the alarm sound will stop.