wireless key finder

Sound volume: 90 d B

Remote distance :100-120feet

Frequency: 433.92MHz

Battery : A23 12V (for transmitter ) , CR2032 button battery 3V (for receiver)

Voltage: 12V (Transmitter ) , 3V (receiver)

Specifications:

4.) with one holder for transmitter ,when not using ,you can put transmitter in the holder and hang them on the wall. Protect transmitter against losing .

3.) Can be attached on the Iron receiver , such  as steel mobile phone . 

2.) Very thin , only 6 mm thickness . suitable to attach on the TV remote ,PDA ,MP4,MP3..etc or put in the wallet.

1.) With learning function , you can learn transmitter with receiver . Learning function can avoid other RF transmitter signal disturbance in near place ,furthermore ,when you lost one receiver , you just need buy one receiver to complement the missing one .