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4-Key Call Button : CALL ,BILL, DRINK, CANCEL (Waterproof)
$8.00
- Powered by 1pcs 12V23A battery
- Built-in antenna
- Transmission distance : 300m (open area)
- Different Color combination for your choice：
- Case Color: White Silicon Color : red Silicon printing : Two printing patterns as pictures
- OEM production is available
- Dimension : ∮60 x 17mm
