3pcs 2-150mA Mini Handy LED Test Lamp Box Tester for Light-emitting Diode Lamp Bulb Battery Tester H

?Description: ? - Material: Plastic - Color: White - Powered by a 9V battery (not included) - Handy device for testing LED's. Simply plug your LED into the correct holes (all of which are marked) and push the button to see its brightness, illuminant color, etc. - Handy device for testing LED's (2-150mA) - Simply plug your LED into the correct holes (all of which are marked) and push the button to test its brightness, illuminant color, etc - The top row is for 2 pin LED's with currents ranging from 2mA - 30mA - The bottom row is for 4 pin LED's (piran ha LED's) with currents ranging from 20mA - 150mA Item size(L*W*H) : Approx. 8 x 5.5 x 2.2cm / 3.15 x 2.16 x 0.87 ? Package Included: ? 3 x 2-150mA Mini Handy LED Test Lamp Box Tester