Mode: ask single conversion; Receive frequency: 315mhz ( ±500khz ) Battery category and quantity: button battery cr2032 ( 3v ) Battery life: take it uses 20 times/day for example, it can be used for half a year. Working temperature: -20°c~80°c (no freezing, under frosting state) Working humidity: 5%~60% (no frosting state) Finchshield remote control lock is equipped with 3 remote control standard, but can be registered 16 at most
