Electronic anti-lost alarm

Battery and detection description and replacement instruction are attached

Packing with shrinking plastic in this size: 200(H)x80(W)x17(d)mm

Receiver: 60(H)x36(W)x15(D)mm , Weight: 35.5g, Battery: AAAx1

Sender: diameter: 24.5mm, thickness: 7mm , Weight: 6.5g,Battery: cr2032x1

Product description:

Features: Free regulation and control within 0-25 meters for the guard against articles(generally the applied distance means the distance when there  is no interference barrier clement around).

Advantages: Anti-lost function,environmental protection function: no radiation,searching function, alarm with vibrating,small size and portable.

Electronic anti-lost alarm, safeguard against mobile/kid&pet/wallet&luggage/other precious things.