1. Table call button with 2 keys 2. 200M distance range in a open area 3. Use a 12V 23A battery 4. LOGO printing

1. Service bell with CALL, BILL, CANCEL 2. 200M distance range in a open area 3. Restaurant buzzer system Uses a 12V 23A battery 4. LOGO printing

1. Service call button with CALL, BILL, Drink, CANCEL 2. 200M distance range in a open area 3. Use a 12V 23A battery 4. LOGO printing

1. Waterproof waiter call button 2. 200M distance range in a open area 3. Use a 12V 23A battery 4. Colorful table call bell