Security alarm for doors and windows, set of 2, 130 dB anti-theft alarm, 5 operating modes, magnetic sensor, two-way mounting, security anti-theft alarm

Loud 130 dB Door Alarm: This magnetic door and window alarm is loud enough to detect intrusions and prevent children and infants from leaving the house, protecting your home or office whether you are inside or out. The window alarm has five modes: on/off setting, normal alarm, constant alarm, door close alarm, door close alarm (delayed) and doorbell mode. You can easily adjust the mode according to your needs. Small alarm sensor: Take it with you when you stay at the hotel. This lightweight and compact alarm is suitable for doors and windows (sliding doors, windows, overhead doors/windows, crank doors/windows), cabinets, drawers, freezers, refrigerators, etc. Installation is simple and practical, without wiring. Just press the on/off switch to turn it on and off.All mounting hardware is included.For indoor use only.Low power consumption for extended battery life.Contents: Set of 2 stable, dustproof, and insect-resistant door and window alarms.