У вашего броузера проблема в совместимости с HTML5
Egg trays built using a DPDT relay and 2 limit switches and is set to come on every 2 hours with a timer. The motor is a window motor from a Ford Taurus with a PWM to control the speed. The thermosat is a Repti 500R. Holds a temp between 99.4 & 99.6 degrees.