Specifications Product Name:Door and Window Alarms Alarm sound:130DB Material:ABS Door magnet size:65*34*16.5mm/2.56*1.34*0.65 inch Magnetic strip size:36*10*14mm/1.42*0.39*0.55 inch Standby time: about 1 year Sensing range:8~15mm Standby current:<6uAh Description Loud volume: the volume of this door/window alarm sensor is 130db. If the distance is more than 1cm, the magnetic sensor will sound the alarm immediately. Anti-theft function: This anti-theft alarm has an extra screw where the battery is located, and the anti-theft function has been upgraded. Multiple modes management: This anti-theft alarm does not need a remote control, you can directly control the alarm modes, such as open door alarm mode, doorbell mode, open door alarm 30 seconds mode, D1, DI, DI mode, open door alarm and so on. Mode After opening the door for 15 seconds, the alarm will ring for 30 seconds and then exit the mode EFFECTIVE AND SENSITIVE: This burglar alarm buzzer allows you to receive real-time notification of your own and your family's entry and exit. Indoor security alarm fully protects your home, dorm room, apartment, office, medicine cabinet, windows, drawers, pool door, sliding door, refrigerator, etc. (for both side casement windows) EASY TO INSTALL: Simply glue or tape the burglar buzzer to your window or door. No wiring required! No screws required. (Note: The distance between the alarm and the magnetic sensor should be within 1.5 cm. ) Pacakge: 1/3/6pcs Wireless White Door Window Alarm