Wireless Restaurant equipments kitchen Beeper Pager alarm calling system 10 Receiver For Customers queuing for food

YSP211-10P Package：10 x Coasters1 x Charging base1 x Charging CableYSP211 Package：1 x 1 xCharging CableFeatures：1. 999 s keypad . The keypad call can send 999 different codes by combination from digital 0- 9. One can connect up to 999 coasters.2. It supports3 prompt modes. Each mode is accompanied by the LED flash--- Vibration/Buzzer/ Vibration and Buzzer3. Long work distance. Built-in external antenna, working distance is about 800m~1000m( Open area)4. Maximize button. The maximize button can avoid the wrong operation effectively.5. High quality-- waterproof/ oil-proof. High quality plastic supports waterproof and oil-proof,the seller can clean it easier.6.Size：80 x 73 x 15mm / 3.1 x 2.9 x 0.6in；Weight：59g / 0.13lb ；Built in DC3.7V rechargeablebattery in each pager.With full charge it can be used for at least 72 hours standby, 36 hours in use. Independent storage memory avoiding data lost.Specification999 Keypad call buttonWorking voltage：  DC 5V power adapterWorking frequency: 433.92MHzWorking current :  200± 30mAStandby current: 60± 10mAEncoder:  Learning code(AM)Dimensions: 1*113*72mm/ 120*80*30mmMaterial:   ABs plasticQperating tempertaure: -10℃ - 30℃Product details/ Application