Wireless Waiter Calling System Restaurant Watch Receiver Pager Long Distance For Hookah Cafe Bar Hotel Club Clinic Item Description Model Number:T128 Brand Name:retekess Origin:Mainland China Certification:CE,FCC Working Frequency:433.92MHz Working Voltage:DC3.7V Rechargeable Li-poly battery Decoding:Learning code Transmitter quantity:max 500pcs Modulation:AM Application:Gym, Cafe Shop, fast food shop, food court, pizza shop, church ,clinic RETEKESS T128 Watch Receiver 433.92MHz Black For Wireless Calling System Waiter Call Pager Restaurant Equipment Customer Service Dot matrix LCD screen to maintain the image clarity Watch Receiver use dot matrix LCD screen to maintain the image clarity; Prompt mode: There are working modes: vibration or buzzer or light only So wireless pager system can work well for different conditions.In coffee shop, you can set vibration for customer needs;At restaurant, you can set buzzer function to find the right signaling quickly. Define key name Support ?A-Z? English letter digits 0-9 show, 40 optional key name + user-defined, you also can program the original Key "pay, order, call,cancel" etc. to other key name Up to 500 call buttons can be added This watch can add up to 500 call buttons; compatible with all retekess call buttons. Long Transmission distance Communication distance is up to 80m outdoors and 50m indoors(adding a signal amplifier can extend distance). Advanced power saving technology: Rechargeable 400mAh battery for the watch receiver; USB charger port, no need to replace the battery, safe charging circuit; so it can work well for restaurant coffee shop;no need to worry about battery life Clock and alarm clock function Time and date can be adjusted? T128 Watch Receiver Color Black Modulation ASK(AM) Working frequency 433.92MHz Decoding Learning Code Transmitter quantity Up To 500pcs Size 252 x 46 x 18mm / 9.9 x 1.8 x 0.7 inch Weight 56g / 2oz -1 x T128 Watch Receiver -1 x USB Cable -1 x User Manual Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.