Mengshen 3-Pack Wireless Security Window Door Entry Alarm Loud Speaker Magnetic Control Burglar Alarm MS-M66 (pack of 3)
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases Specifications:Induction Way: Magnetic ControlAlarm Sound: 90 dBPower Supply: 3 pieces of 1.5V batteriesInstructions:1. Install the alarm on the door/window with tape.2. Stick the other magnetic strip to the door frame along the hint line.3. Turn on the alarm.4. Open the door