The Zhechi Electric® Electronic Digital Biometric Fingerprint Push Pull Smart Lock made in China with 2 years warranty is suitable for AC 50/60Hz, rated voltage 230V/400V, rated current to 125A line for protection against overload, short circuit and isolation; also as a smart reclosing breaker, also has a function of mobile phone worldwide remote control on/off circuit, timing on/off circuit, delay on/off circuit, cycle on/off circuit.