Certification | FCC, ce | Place of Origin | China |
Ringtones | 60 Ringtones | Plug type | European standard plug |
Types of | doorbell | Voltage of receiver | AC 100-240V |
Battery in button | 12V 23A battery | Working current | <100mA |
Working frequency | 433.92MHz | Working temperature | -10u2103-50u2103 |
Working range | Approx 200-300m(open air) | Energy source | Plug, self-powered |