．Revolutionary twin relay and twin fuse well prevent over heat problem.
．Full voltage design, suitable for100V~240V/50Hz~60Hz.
．The most advanced Light Emitting Diode(display) is utilized to display
setting and current temperatures. The buzzer will be alarmed when the
water temperature rises beyond three degree.
．Temperature control circuit activated by Micro-Processor allows an
accuracy of ±℃. This device will maintain any pre-selected temperature
between 20℃~35℃ for fishes aquarium.