Wireless Calling System Buzzer Restaurant 16 Pager Receiver Vibration 3 Modes with 1 Keypad Transmitter Guest Paging Coaster

Specification:Name: wireless meal taker setMaterial: ABSWorking frequency: 433MHz (Max)Working voltage: DC 3.7V (lithium battery)Decoding method: learning to codeReceiving sensitivity: -107±2dBmCharging voltage: DC 5VNumber of extensions: 16PcsPrompt mode: buzzer, LED flashing lightReceiver size: 104 * 50 * 8mmHost size: 24x15x3cmColor: wine redPacking included:1 * Wireless Meal Taker SetSpecification:Applicable Frequency Band: 433MHzBase Dimensions: 24015027mmPower Supply: DC9V/1ALogo Dimensions: 4569mmQuantity: 16 units (one to 16)Transmission Distance: 500 meters in open areasBattery: 250mAh 3.7VPacking included:1 * Transmitter16 * Receiver1 * Charger (EU Plug)Specification:Name: Wireless Meal Taker SetMaterial: ABS PlasticFrequency: 433 MHzTransmitting Power: 30mWPower Supply: 12V/1ANotification Method: Vibration, Buzzer, LightOperating Range: 300-500M in open areasStandby Time: 200 hoursPager Dimensions: 755213mmKeyboard Dimensions: 242152*35mmColor: BlackPacking included:1 * Wireless Meal Taker Set