Aqueon Preset Aquarium Heater reptile thermostat ParaGuard™ employs a proprietary

ParaGuard™ employs a proprietary

Because the ultrasonic sound corrects all dogs in barking range

There is also an ON/OFF button on the remote to allow you to switch off and on the device as suitable

For simultaneous control

Aqueon Preset Aquarium Heater reptile thermostat ParaGuard™ employs a proprietaryAqueon Preset Heaters require no adjusting! The preset temperature has been calibrated to 78, appropriate for most tropical fish. The fully submersible heaters are constructed of shatter resistant quartz glass and features an automatic safety shut off to avoid overheating. An LED indicator light displays red when actively heating. Preset to 78, accurate to + 1 No adjustment required Shatter resistant Auto shut off LED light turns on when aquarium