Specifications Alarm volume:130dB Low battery indicator: 2.3V0.2V Power supply: 2 AAA batteries Standby current:10uA Size: 74*74*13mm/2.91*2.91*0.51 inch Operating Temperature: 050 Operating humidity:95%, no ice Description WIFI Vibrating Door and Window Alarms: Various core technologies to minimize property theft. WiFi remote connection, press to apply information. When sensing vibration, remote control SMS notification is notified immediately. Alarm clock emits 130dB siren sound to attract the attention of people around and fear of evil people. Anti-burglary goods vibration sensor, 130dB loud volume: When a burglar shakes the window and shakes it, the alarm will sound with 130dB volume. Alerts everyone in the house. ANTI-BURGLARY SENSORS FOR MULTIPLE OCCASIONS: This burglar alarm can be used not only on the door or window of your home, but also for burglary. It can be attached to the burglar-proof place. However, once installed, it is difficult to remove, so please think about it beforehand. ULTRA SLIM DESIGN: Burglar Buzzer is small, multi-purpose, stylish body, brand new experience, lightweight and compact, easy to install, alarm up to 130dB, body thickness only 13mm. The anti-theft buzzer adopts the ultra-thin design, set up in the window will not get in the way, saving space. Window Prevents accidental contact and the sensitivity is freely adjustable: This anti-theft sensor is equipped with a sensitivity sensor function that allows you to adjust the sensitivity to prevent accidental contact. You can increase the sensitivity of the alarm as needed. With high sensitivity, the alarm will sound easily. Easy to set up the alarm: No need to set up the alarm like conventional alarm clocks, it can be set up simply by attaching it once. The window alarm is fixed to the window or door with a peel-and-stick adhesive. When the switch is turned on, the indicator light flashes, a short sound is emitted after 5 seconds, and the alarm clock goes into standby mode. After sensing the vibration and shaking of the window, it turns into a security state and the alarm is activated for 30 seconds at a volume of 125dB. Package: 1pcs Smart WiFi Window Door Vibration Alarm Sensor