... C)Material of case:PCConductive materialCopper3. Application: a. Timer charge: like electromobile, the charge time is 6- ... will be shorted consumedly. But if with this timer switch, we can prolonging its life, and save ... the heater at any time we want. c. Timer for electric blanket: especially useful for the old ... people to keep safe. d. Timer for cooker, pump water, TV, lighting on the ...