... or weekly Used in Solar,LED Usage The timer switch can open or close kinds of electrical apparatus and power automatically, according to preset ... (sign), billboard, electrical appliances, broadcast equipments etc., the digital timer switch is within rechargeable battery, in 1.2V/40Ma, high-accuracy CMOS ... 1/2HP Admissible Ambient Temp -10°C ~ + 55°C(T55) the new design timer switch