Short Circuits Two Project - Countdown Timer Drives - External a Quick Connector pack for

a Quick Connector pack for regular everyday use

9-inch for use in your business

self-managed & pre-configured WiFi system

0 for as long as you own the product with advance replacement and next-business-day delivery and 3 year

Dual Polarity

Short Circuits Two Project - Countdown Timer Drives - External a Quick Connector pack forThis neat project enables you to dial a time you want to elapse before you want something to happen, say the exposure of a camera shutter or an electrically operated door to stay open. At the end of the timed period (seconds to many minutes) a relay is energized which can switch something on or off. PCB and all parts supplied, including relay. Requires 9V battery. Instructions sold separately or withing the Short Circuits book range, Short Circuits