Mechanical Auto OFF Springwound In-Wall TimerThese products are all Made to Order Which means they are non cancelable and non refundable Description Auto OFF Springwound In Wall Timer Primus Cables springwound in wall timers can be used for whole house fans, indoor outdoor lighting, plus bathroom fans and lights, self storage. Features Features Variable Timing: Twist knob for time ON setting. Time ON lengths from 15 minutes to 12 hour vary by model. Hold Feature: Some models have position for