Frequency:433.92MHZ
Distance:25-40 meters
Sound:75DB
Transmitter:8.4X5.5X0.38CM
WT:15.5g (battery included)
Battery:CR2016
Receiver:4.5X2.8X1.1CM
WT:13.5g(battery included)
Battery:CR2032
Battery last:12 months
Blister card package
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We Accept OEM And ODM Orders.