Feature 1After ordering, guests can go to the vacant seat to rest, no need to wait in line at the bar 2The launch distance of the food picker is very far, guests can sit at any location in the store, or they can go to the neighborhood and wait for the food picker to remind them to receive the meal 3The food picker is made of ABS engineering plastic material, durable and durable, long service life, saving store costs 4Widely used, suitable for restaurants, cafes, milk tea shops, etc. 5999 channel keyboard call button and 18 battery charging slots 6Portable rechargeable vibration and buzzer receiver with independent storage memory to avoid data loss 7The receiver has high sensitivity and self-test when power onItem Type:PagerReceiver Specifications: Frequency: 433.92MHzDecoder: Learning code (AM)Standby Current: 105mAWorking Current: 7510mAPower Supply: Built-in 180mAh rechargeable lithium batteryCharging Voltage: DC 5VWorking Voltage: DC3.7V (rechargeable battery)Keyboard Call Button Specifications: Frequency: 433.92MHzStandby Current: 245mATransmission Current: 10030mAWorking Voltage: DC 5V/3A power adapterAdapter: AC 100-240V 50/60HzEncoder: Learing code (AM) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Keyboard Launcher18 x Pager1 x Power Adapter1 x English User Manual1 x Antenna