Retekess TD165 1-to-10 Vibrator Restaurant Pager System CoastersBeeper Buzzer Bell Receivers for Food Truck Bar Coffee C

Specifications CoastersFrequency433 92MHzShell materialhigh quality polycarbonatePrompt modeVibrationBuzzerVibration BuzzerPower supplyBuilt in 3 7V 280mAh rechargeable lithium batteryCharging base adapterInput AC 100 240V 50 60HzOutput DC 5V 4ASize80 x 73 x 15mm 3 1 x 2 9 x 0 6inWeight59g 0 13lbKeypad TransmitterFrequency433 92MHzMaterialABS plasticKey lifemillion and aboveTransmitter distance800 1000m open area Screen74 x 37mmPower supplyDC 12V 1AAdapterAC 100 240V 50 60HzSize162 x 112 x 72mm 6 3 x 4 4 x 2 8inWeight250g 0 55lbFeatures 1 Supports up to 999 pagers for large scale use 2 Offers three prompt modes flash beep and vibration for versatile notification options 3 Stable and extended signal transmission range for reliable communication 4 Low battery alert to ensure uninterrupted operation 5 Convenient one button shutdown and mute functionality Package Include 1 x Keypad Transmitter10 x Pagers1 x Power Adapter EU 1 x Round Charging Dock1 x User Manual