This is a Transmitter Bell only. Receiver is not included. Calling device for guest waiter, patients, the disabled children, the elderly the pregnant when they need help, They can get timely and considerate care without yelling by just pressing the button.
For restaurant use, this wireless transmitter button is typically placed on or attached to each table. When a guest wants his or her server, he/she presses the button of a service bell, which sends a signal to the central receiver. This transmitter adopts learning code chip, it can be used with any of the 433MHz receivers in our store.
Features
Small, compact size, low current draw
Transmission distance:300m in open area
Size:60*20mm
Frequency: 433MHz
With a base and double-sided adhesive, it can be fixed on the table