ขาย Retekess T128 Restaurant Pager System Buzzer Waiter Staff Nurse Queue Calling System 1 PCS Customize Wrist Watch Pager a ราคาที่ดีที่สุด

Feature： 1.RF wireless technology 2.Fashionable watch design 3.Dot matrix LCD screen 4.Up to 999 channels 5.Call button data pin support for custom 6.Call button words selectable 7.Single or list display mode 8.Accurate time display 9.Vibration/Buzzer prompt 10.Low-power indication 11.Built-in removable rechargeable battery Main Features: Single or list display mode All features of ordinary Watch Prompt timing; remove timing; cycle timing setting 500m emission distance in the open area Waterproof call buttons Specifications T128 Watch Receiver Color：Black Modulation：ASK(AM) Working frequency：433MHz Working current：57mA + 10mA(buzzer mode) 95mA + 10mA(vibration mode) Standby current： 8mA Power-off current：180+ 5uA Receiving sensitivity：-108dBm 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 Package Includes: RF frequency: 433MHz Modulation Mode: ASK (AM) Working chip: learning code Power: 12V/23A battery (included) Working current: 17mA Emission Distance: 500m (open area) Working temperature: -10°C to 50°C Size: 60 x 60 x 30mm / 2.3 x 2.3 x 1.2 in Weight: 42g / 0.09lb Package includes: 2 x Watch receiver 1 x USB cable for watch pager 5 x Button Transmitter 5 x Double-sided adhesive 10 x Pc 12V/23A battery 1 x English User manual