Features: 1There are four buttons, with backlight function, with query function, the set time can be arbitrarily searched 2With key lock, with lock screen function, with power?off memory function, one?time setting, long?term use, daily cycle 316 groups of timing can be reserved, plus a set of countdown, a total of 17 groups, of which the 16th and 17th groups can be set to seconds, a total of 8 modes, simple design, flexible operation. 4Made with imported chips internally and produced with advanced production equipment. 5Made of flame?retardant materials, every plastic particle is flame?retardant and can be assured used. Condition: 100% Brand New Item Type: Fish Tank Socket Timer Material: ABS Product Model: PC02 Rated Voltage: 220V~ Rated Current: 10/16A Rated Power: 2200W/3520W Battery Model: button battery Battery Capacity: 320mah Package Included: 1 x Fish TankSocketTimer