1.6 inch LCD Large Display TM618sH Second Timer Module Weekly programmable. TM618sH can automatically switch on and switch off various kinds of electric equipment at a preset time. It is widely used in 7 days programmable control of streetlight, neon light (sign), lamp, water heater, air conditioner, billboard, electric cooker, booster, sprayer, bottler, preheater, agriculture facilities and broadcasting equipment etc. The digital timer switch is within battery, to save the programs for power failure. It has the features of low consumption, high-accuracy CMOS chip, strongly anti-jamming, simple and easy to set. Colour:White Material: ABS+electronic components Package Contents: 4 x Timer Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.