LingsFire Magnetically Triggered Alarms for Doors or Windows Home Security Window/Door Alarm Kit (4-Pack), Loud 100 dB Alarm
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases Specifications: 1. Dimensions:2x2x0.8 inches (Each) 2. Weight:46g (Each) 3. Batteries: 3 x LR 44/AG 13 button cell batteries each(Included) 4. Color: White 5. Size: 4 alarms Operation: 1. Peel and stick the alarm to any window/doors. 2. Slide the ON/OFF switch