Output Current: Single channel Maximum continuous output current of 1.2A, dual channel while using the total current can not exceed 2.0A, does not recommend the use of current is less than 0.15A fan.Efficiency: 90% (input 12V, output Dual 8V 0.8A)Reverse polarity protection: Short circuit style reverse polarity protection, reverse power input blown foil insurance.Overcurrent protection: no overcurrent protection, please note that the insulation installed, connected after the power lines to avoid output short circuit! ! )Thermistor parameters: NTC 10K B = 3950Measurement error: 1% -0.5celsius , the combined probe 1% maximum error 2% -1celsiusDuring normal operation, the display automatically turns channel 1 temperature, speed, channel 2 temperature, speed, by pressing the + - buttons to quickly switch the display.Material:PC+Metalcolour:GreenPackage Contents:1 x 12V Dual Ways 3-wire Fan Intelligent Digital Temperature Thermostat Governor Speed Controller1 x Waterproof NTC Sensor Cable1 x BuzzerOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.