ZK-4KX CNC DC-DC Buck Boost Converter Module CC CV 0.5-30V 4A Adjustable Step Down Up Voltage Regulator, 0.5-30V Option:0.5-30V US version computer keyboard for

US version computer keyboard for Lenovo Thinkpad E550 E550C E555 E560 E565 Laptop 00HN074

One Package Size 22cm * 11cm * 6cm / 8

Full coverage of silicone pads

Replacement LCD display + touch screen digitizer assembly for Lenovo K12 2019 XT2081-4

Loading Container 20GP: 1280 cartons * 8 pcs = 10240 pcs

ZK-4KX CNC DC-DC Buck Boost Converter Module CC CV 0.5-30V 4A Adjustable Step Down Up Voltage Regulator, 0.5-30V Option:0.5-30V US version computer keyboard forFeatures 1. Made of high quality material, solid, durable and strong conductivity. 2. Large LCD can display input output voltage, output current output power output capacity output time, easy to read. 3. CNC adjustment is very accurate and fast, and it also can boost and step down voltage. Output voltage can be adjusted from 0. 5 30v, while the current can be adjusted 0 4A as you desired. 4. It features anti reverse connection protection of input end,