Specification of Wirst apger Y-650:

1 No wired involved ,Easy to operate

2 High brightness LCD display with 3 remind modes: sound, vibration, both sound and vibration.

3 it can work with all 433mhz transmitters. For example,A1,A3.

4 1pc 650 can work with 100 pcs buttons in max, and can restore last 10 calls.

5 shows current time when it's stand-by.

6 can show different service type.

7 The battery is rechargeable.

Technical parameters:

 Working voltage:  3.7V( Li-ion battery )                                 

Working current:  <15MA                                    

Sensitivity :   85 dB

Frequency: 433.92 Mhz

Working distance: >50m

Specification of call bell K-O3

1. 100% Water-proof

2. Work with our receiver to combined the wireless calling system

3. Can be installed on each table, when the customer need help only press the button, the calling no 

will be shown on the screen, so everyone can easy to know who is calling.

4. 3-key button: Call;Bill;Cacel

5.Color:White-Red;White-Blue;White-Yellow;White-Green.

Technical Parameter:

Working voltage: DC12V

Working current: ≤35mA

Use Frequency:  433.92mhz

Transmitted Power: ≤20mW

Transmitted Distance>300m in open area

Size: 60*60*22mm