KERUI Digital Black Watches for Guest Table Waiting Wireless Paging System &Restaurant,Service Calling System

Product Description:
1.With a perpetual calendar, never lose the date and time when power off.
2. Compatible with 999 wireless transmitters, name of transmitter can be edited.
3. Fit with other type of transmitters, function of the buttons can be freely defined.
4. Recently 99 sets of calling information can be surveyed.
5.10 sets of clock alarm supported, still alarming when power off.
6. Timing into the power saving mode & power on/off.
7. Prompt setting with " Light, Vibrate, Beeps" can be optional.
8. Strong power saving technique.
9. Compatible with coding 1527 (Resistance 150K-470K) and 2262(resistance 1.5M-4.7M) the whole series of signal transmitter.

Technology Parameters:
1.Working voltage: build-in 3.7v rechargeable lithium battery, USB-5V to charge
2.Working current: < 3mA
3.Standby current: < 20uA
4.Receiving frequency: 433MHz
5.Receiving distance: about 20 meter (for open area),If you want to place it more wider area,in our store,we recommend you can buy a signal repeater.
6.Environment temperature:-20℃-55℃

Package including:
1 X Watches(Black)