1、STABLE SIGNAL TRANSMISSION: Wireless calling system adopts high performance wireless technology, stable and reliable, the transmission distance is more than 200 meters, the coverage area is large, the paging effect is remarkable. 2、TIME DISPLAY: Restaurant paging system can display the time of year, month and day, accurate and convenient, easy to record the call time, improve work efficiency. 3、MULTIPLE APPLICATION SCENARIOS: Wireless table call system is suitable for various places such as home, hotel, bar, restaurant, factory and so on. 4、HIGH PERFORMANCE: Wireless calling system has IPX4 waterproof grade, high sensitivity receiver, reliable and durable. 5、EASY TO INSTALL: The wireless receiver can be placed anywhere and is powered by a standard voltage range of , making installation quick and hassle free. Item Type: Wireless Call System Working Frequency: 433.92MHz Size: Approx. 210x140x30mm / 8.27x5.51x1.18in Material: ABS Receiver Sensitivity: -105dB Decoding: Learning Code Waterproof Level: IPX4 Working Temperature: -20°C to 60°C -4°F to 140°F Transmitter Frequency: 433.92MHz Transmitter Material: ABS Battery Type: Lithium Battery Battery Model: CR2032x2 Battery Capacity: 240mAh (included) Transmitter Current: 10mA±3mA Standby Current: <1uA Transmission Distance: > Approx. 200m/656.2ft Button Lifespan: 1 Million Times Waterproof Level: IPX4 Working Temperature: -20°C to 55°C / -4°F to 131°F Single Button: CALL 10 x Call Buttons 10 x Sticker 1 x Power Adapter 1 x Receiver 1 x Instruction Manual