Electronics

Solar Hot Water Pump Brushless DC Motor 12V Description : DC 12V Solar Hot Water Circulation Pump Brushless Motor Water Pump Super long working life. Amphibious design, with low consumption & low noise. The pump is perfect for the family home thermal solar systems or any circulation pump application where conventional power is not available. Specification : Inlet : 1/2" male thread. Fit both 1/2" NPT and BSP female thead Outlet size : show as following picture AMP: 0.7A(max) Max fow rate : 8L/Min(2.1GPM) Max water head : 3 metre(9.8ft) Max system pressure : 10Bar Max circulating water temperature : 100°C/212°F. Can't be immersed in 100°C/212°F hot water Low noise : 30db at 1 metre

Li-po Battery USB Rechargeable 1 Hour Quick Charging AA 4PCS SORBO 1.5V 1200mAh  Description Input Voltage: 5V Input current: 500mA Charging Time: 1-2h Output no-load voltage: 1.5V±0.2V Output: 1A Capacity:1200mA ±10% Life: =3 Years Size: f14.5*50mm Weight: 14g Type: AA Suitable for RC toy or or other AA power needed items. Package 4PCS SORBO USB Rechargeable AA battery

Adjustable Voltage Power Supply Board Kit With Case 220v EU 220V DIY LM317 Adjustable Voltage Power Supply Board Learning Kit With Case Features: One way adjustable signal generator output. Convenient to provide the pulse signal With a logical pen function. For convenient the logic level of test circuit With one way buzzer. You can test the wires on and off (connect the wires to the power positive and signal input, the wire on - the buzzer sound). You can also test the low-frequency signal (input the signal from the signal input, if there is a signal, the buzzer sound) Specifications: Power: 2W Voltage: 220V Plug: EU plug Output voltage: 1.25V - 12V regulated output continuously adjustable. PCB board size: 7.3 x 6.8cm (W / L) Shell Size: 11 X 6.9 X 41.5cm (L / W / H) Weight: about 295g Package included: 1 x DIY LM317 Kit

Portable Gemstone Diamond Selector V2 Jewelry Gem Tester How to prepare? Mark on the battery  Turn the Power Swith On Confirm the Battery Lamp lights up Wait for about 30seconds till the Ready Lamp lights up. DIAMONDS 1. Beeping sound (beep-beep-beep) 2. 1~4 of the Red Lamp box OF the Level Meter ? will light on.      (More no. of Red Lamp boxes will light up for bigger sized stones.) DIAMOND SIMULANTS (Except Synthetic Moissanite) 1. No Beeping sound. 2. No Red Lamp boxes will light on. Green and/or up to Yellow Lamp boxes may light on depending on the type of simulants.) METAL ALERT 1. Continuous buzzing sound. (The thermal conductivity of the metal is very high and can give the same indication as a Diamond with most Thermal Probes. The Diamond Selector ?has a Metal Alert buzzer to warn you when the Probe tip touches metal.)  If you hear the Metal Alert buzzing sound.re-touch the Probe tip so as to touch only the tested stone. Descript...