Description: This timer switch can automatically turn on/off all kinds of electrical appliances according to the time set by the user. With high precision and strong anti-interference ability, the timer switch is perfect for controlling street lamps, neon lamps, production equipment, radio and television and many other household appliances. Functions: Advanced presets a week in advance. Digital electronic timer with day programs. Repeat programs with 17 on/off settings and manual controls. Lithium battery power reserve after power cut. Automatic timer error correction 30 seconds, weekly. Panel mounted. Specifications: Input voltage: 24VAC/DC, 110VAC, 220VAC (optional) Contact voltage rating (output): 220 V to 250 VAC 50/60 Hz Hysteresis: 2s/day (25C) Operation ON / OFF : 17 ON / OFF Power: 7.5VA (MAX. ) Display: LCD Minimum interval: 1 minute Switch contact: 1 changeover switch Power supply: lithium battery Operating temperature: -10 C to 40 C Humidity: 35 85% RH Instruction: 1. Press button C to turn on the switch. First, press the "time" button (bottom C and C / R), then press D , H , M to set the clock to the current time. Programming: Step Button programming 1 Press P. Setting 1 on time (display 1 in) 2 Press H / M Set hours and minutes 3 Press D FRI, MONDAY, MONDAY, MONDAY, MONDAY, MONDAY, MONDAY, MONDAY 4 Press P. Off time setting 1 (display 1 off ) 5 Press H / M Setting the hours and minutes disables the time 6 Press D If you want to change the same settings every day, you don't need to press this button 7 Repeat steps 26 Set 2-17 on/off time 8 Press "time" End If the setting is incorrect, press C / R to cancel or reset the programs. If all buttons are locked (unresponsive), press and hold C/R for 8 seconds to unlock. If you don't need 17 on-off settings, press "time" to finish. The package includes: 1 x time switch Please be aware of: