Dispositivo para descarga de baterias litio y comprobador de intensidad con ventilador Dimensions: 64mm*21.6mm*11.2mm (L*W* H) Power Supply: DC Operating Temperature: -10 degrees~65 degrees Display Type: Digital Only Model Number: usb-load Measuring Range: DC3.70-13.0V Voltage: 3.7-13v Adjustable current: 0.15-3.00A Power: 15w Fan working temperature: 40 ? There are two version Electronic Load resistor, only the fan is different, other data are the same. Type A(Cilvil Grade): Oil-bearing Fan Type B(Industrial Grade): Ball-bearing Fan(Long life ball-bearing fan; High velocity, low noise, powerful; support long time discharging and factory products burn-in test.)