Alife 1000 watt electronic thermostat with probe
size: Up to 1000 watts
This state of the art controller will maintain any preselected temperature between 60 and 105 degrees, and comes with a probe to measure the temperature in your terrarium and adjust according to what you set it at.
$26.95 each
This is at lllreptile.com
or there is this one.
Zoo Med 500R thermostat with probe
Simply set the dial to the desired temperature, and the thermostat will do the rest. Ideal for use with heat pads and ceramic heat emitters.
$32.95 each