Micro hydro generator, the potential energy conversion of the water into electrical energy mechanical equipment.We provide you with three kinds of generators,Can be directly to the small battery charge,Can charge mobile phone,Can give 12V radio power, charging, power supply for LED lights, etc
The new mini-submersible
pumps, water pumps is very
small, very beautiful, comes
with plug flow, low noise,
used in the aquarium, wa
ter-cooled computer super
Voltage: DC 3V-12V
Outlet pipe outside diameter: 7.2mm outlet inside diameter: 5MM
Introduction:The primary science series is one of the primary educational aids scientific experiment, students will assemble their own homemade learning tools, to cultivate children's ability and knowledge, let the children play high school science, grow up happy in the learning sciences . the gener..
The advantages of this pump: very quiet, almost no sound when starting, the water cycle is very smooth.
【Product Name】: DC micro-pump hot water bottle dedicated
【Product Specifications】: Rated voltage: 12 volts (actually 8 to 18 volts can be used)
100% Brand new and high quality.Super strong Rare-Earth magnets,once they get stuck with each other,they are hard to break apart.Can also be used to extend protected lithium batteries with recessed contact points.Electtrically conductive(making them suitable to extend recessed batter..
TEC1-12705 Heatsink Thermoelectric Cooler Cooling Peltier Plate Module 40 x 40mm
No moving parts, no noise, and solid-state
Compact structure, small in size, light in weight
Precise temperature control
Exceptionally reliable in quality, high performan..
Small Single pole single-throw switch for electrical series parallel connection teaching instrument suitable for junior high school physics experimental equipment
easy to connect to the outer terminal plugs..