4 for 1 RF anti-lost alarm electronic remote smart key finder with keychain

Specification:                                

Material: ABS
Frequency: 433.92MHZ
Distance: 20-30meters
Sound: 80db
Receiver:4.3x3.2x1.1CM
WT:11g (incl.battery)
Receiver Battery:CR2032*1(battery included)
Remoter/transmitter: 12x4x1.5CM
WT:12g (Incl. battery)
Remoter Battery:23A 12v *1(battery included)
Package:1set/blister card

Package: blister card

Thanks for your attention to Angelwon Anti-lost alarms/ key finders/loactor trackers.