Universal Relay Timer-Switch Electronic Kit
With this relay-based timer electronic kit, you can set the countdown time from anywhere between a few seconds up to about 15 minutes. Since the kit uses a relay as the switch, it us possible to power main AC devices (up to 5 amps at 250V AC).
You imagination really is your only limitation with this timer kit. You can have it turn on/off the lights in your room after the count-down time, have it turn off a radio, etc..
Universal Relay Timer-Switch Electronic Kit Reviews: