HDT-30 Dark room timer, made of hard plastic and PVC completesealed keyboard, can work long time in film washing room with acidity air, Has the function of quartz clock display, timeing, time count down, red light, music and sound alarm.

Features
Power :220V/110VAC  battery 6V(double battery)
Timeing:1sec30minutes
Clock display:24 hours
Size:180×120×50mm
Weight:350g

Dark room red light