Features: 1.20 ON/OFF setting programs. 2.1 Countdown program for ON or OFF countdown switching. 3.Time setting is including hour, minute and week. 4.Random function for ON/OFF switching randomly. More secure when your house is unoccupied for a long period of time. 5.Summer / Winter saving time setting & switching. 6.Built-in rechargeable battery for memorizing the program. 7.Manual ON/OFF/AUTO switching. 8.Applications: rice cookers , water dispensers, heaters, liquid electric mosquito coils and other electrical appliances, electric vehicle batteries , digital camera batteries , cell phone battery, home security , etc. Specifications: Color: White; Material: ABS; Plug Type: EU Plug; Rating: 220~240V 16A 3000W; Output Control: Timer / Manual Control; Installation: Plug in Type; Output Switch: TUV R/C Relay; Power Supply: US plug for 120V 60HZ,BR plug for 110~240V 50~60Hz,EU/UK/FR plug for 230V 50~60Hz; Program Back-Up: Ni-MH Rechargeable Battery Over 100 Hours; Operate Temperature: 0 ~ +55 'C; Type of function figures: LCD; Timer accuracy: +/- 1 second/day; IP level: IP20; Minimum setting interval time: 1 minute; Maximum setting interval time: 7 days; Countdown time setting range: 1 Minute ~ 99 Hours and 99 Minutes; Size: approx. 12.5 * 6.8 * 8cm; Net Weight: 150g; Package includes: 1 * Plug-in Timer Switch (Plug type according your order)