Digitally controlled thermostat offering Microclimate's HD Dimming technology. The software developed over years allows Microclimate Dimmers to dim extremely smoothly. This aids in the least disruption for your animal and the ultimate in temperature control. Dimmer B1 can control any type of heat source whether it be light emitting or non light emitting. The same precise temperature control will be maintained.​ No minimum load is required for Microclimate Dimming thermostats. So the Dimmer B1 is a real all rounder when it comes to controlling your heating requirements. Only the best electrical components go into building your Dimmer B1 and it is completely designed and manufactured in house in the United Kingdom. This allows our high standards to be maintained throughout software and manufacture. Control up to 600w of heaters from the Dimmer B1. A recessed temperature control dial prevents any accidental changes to the set temperature so you can be certain that the temperature remains at the set point that you require. Built in diagnostics are constantly running to ensure that your thermostat is running trouble free. With a temperature range of 19c to 35c the Dimmer B1 (Standard) has you covered for a wide range of reptiles. With a temperature range of 29c to 45c the Dimmer B1 High Temperature can cater for those reptiles who like higher temps. the Dimmer B1 High Temperature can cater for those reptiles who like higher temps. IP Rated waterproof sensor to ensure accurate temperature readings no matter the conditions.