Durable aluminum alloy shell body.
Can work with 999 call buttons
Indicate diff service types:: C:Call, D:Drink, B:Bill
3 groups call at same time.
Can Store upto 30 calls in queue.
Working voltage: DC12V~18V
Working current: <10mA
Use Frequency: 433.92mhz
Size Dimensions : 410*160*38mm
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Tags: LED Display Receiver, Display Receiver, ED Display Receiver with data logging support, LED Display Receiver data logging support, waiter call system display receiver,