RF wireless technology.
Transmitter is designed as a remote control key, actually it is, easy to operate in a long distance.
When you press the key of transmitter, the receiver will beep.
Helps you find your keys, purse or mobile phone easily.
Radio Frequency: 433.92 MHz.
Sound Volume: 80-95 dB.
Remote Distance Range: 40-80 feet.
Equipped with key rings for easy carrying.
Battery for transmitter: CR20321 (battery included).
Battery for receiver: CR16321 (battery included).
With one receiver, just find one thing every time.
Weight: 64.20 g
Size: 20.514.5*1.5 cm
1 × Transmitter
1 × Receiver