Size: 4bits-5buttonsFeatures 1. Ideal calling system for Restaurant waiter service. 2. Ideal caregiver pager for taking care of patients or elderly in hospital or nursing home. 3. Improve service efficiency and save staff cost in restaurant / tea house / cafe shop / hospital / nursing home. 4. one call button could call multiple receivers at the same time 5. Each receiver support 999pcs of transmitter. 6. the paging system just one-way, for example the customer press the button, then the waitress will go to know what's they need. 7. Since nanny of caregiver can not always stay with patients or the disabled, what to do when they need help especially during night? They can get timely and considerate care without yelling by just pressing the button. 8. It is a very useful calling device for family with parents and children sleeping in separate room. In winter, parents can just press the button without getting dressed and getting up. If you need more or less call buttons in the calling system, Please search on. there have different types of calling system Specification of display receiver
Voltage: 12V
Current: 1A
Capacity: 999pcs of transmitters
Number: 0001~9999, A001~F999
Working Temperature: -20~80
Receiving Sensitivity: -105dBm
Frequency: 315MHZ 433MHZ
Size: 8.8 x 6.3 x 1.2 inch Specification of call button 1.
Button battery: 23A 12V Alkaline battery (included) 2.
Button Waterproof Level: IPX5 3.
Button Size: Diameter 2.4 inch, thickness 0.7 inch 4. Button with built-in antenna Package included 1 x Receiver 1 x Power Adapter 5 x Call Buttons 5 x sticker 5 x string necklace 1* Manual Note If the signal range decreased, please replace the battery of call button.