Specification:Material: PlasticColor: BlackInput: AC 100-240V 50-60Hz 1.0A max 12WOutput: DC 12V 1AWorking Temperature: 0-70℃Working Humidity: 10%-90%(Non-condensing)Storage Environment Temperature: -20℃-85℃Storage Environment Humidity: 10%-90%(Non-condensing)Motor Life: 1000 HoursPlug: China National Standard Plug(We will base on your country to send the corresponding adapter plug)Size: (L)X(W)X(H) 14x8.5x12.5cm /5.51”x3.35”x4.92”(appr.) Features:1) Made of plastic material, durable and easy to operate.2) Compact, powerful, LCD display, button operation.3) Support speed control, can use the speed button to adjust the speed required.4) Real-time clock, support timing start and stop.5) Run interval can be set, support cycle operation, support time period operation.6) Supports multi-serial connection through extension lines(up to 4 units).7) Calibration function (96 times/day~1 time/4 days, liquid volume 1 mL to 1000 mL) Package Included:1x Aquarium Single Dosing Pump Set1x English User's Manual