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3-Key Call Button : CALL ,BILL, CANCEL (Waterproof)
$6.00
- Powered by 1pcs 12V23A battery
- Built-in antenna
- Transmission distance : 300m (open area)
- Different Color combination for your choice：
- Color of Plastic Case : White / Sliver / Grey
- Color of silicon pad: Red / Blue / Green / Black / Orange / Purple
- OEM production is available
- Dimension : ∮60 x 17mm
