Honghu River 8pcs Wireless Home Door Window Burglar DIY Safety Security Alarm System Magnetic Sensor

Description

Features: 1:New and high quality 2:Super loud 90 dB alarm 3:Operated by 3pcs of 1. 5V LR44 / AG 13 button cell (included) Specifications: 4:Sensor type: alarm 5:Alarm type: sound 6:Material: plastic 7:Color: White 8:Size: 2.5 x 1.3 x 0.8 inch Included: 1: 8 x Magnetic Sensor 2: 8 x Magnetic Stick 3: 24 x LR44 Button Battery