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Get 10pcs 2-150mA Mini Handy LED Test Lamp Box Tester for Light-emitting Diode Lamp Bulb Battery Tester Handy Device  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:   10 x 2-150mA Mini Handy LED Test Lamp Box Tester 10pcs 2-150mA Mini Handy LED Test Lamp Box Tester

Get 3pcs Dual USB Output 9V/12V/24V/36V to 5V DC-DC Vehicle Charging 3A Buck Voltage Regulator Power Supply Module Features:   1. Applicable to USB5V powered devices such as mobile power, mobile phones, and tablets. 2. Load capacity up to Z-axls large output 3A. Support two mobile phones charging simultaneously. 3. It is fully functional affordable and practical. 4. Built to strict quality control standards, improved for more durability. 5. Fine workmanship, wear-resistance and corrosion-resistance.   Specifications:   Input: 6V-40V Output: 5V/3A (max) Efficiency: 92% (max) Switch frequency: 150KHZ Working temperature: -40℃-+85℃ Size: Approx. 7*2*2cm/2.76*0.79*0.79inch   Package Included:   3 x Dual USB Output 9V/12V/24V/36V to 5V Voltage Regulator Module 3pcs Dual USB Output 9V/12V/24V/36V to 5V DC-DC Vehicle Charging 3A Buck Voltage Regulator Power Supply Module See detail

Get 5pcs 2-150mA Mini Handy LED Test Lamp Box Tester for Light-emitting Diode Lamp Bulb Battery Tester Handy Device  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:   5 x 2-150mA Mini Handy LED Test Lamp Box Tester 5pcs 2-150mA Mini Handy LED Test Lamp Box Tester for

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

Get 3pcs 9V 12V 24V 36V 48V 60V 72V to 3.3V 5V 3A DC Step Down Module Car Power Supply Module Specifications:   Size: 42 x 32 x 12mm Input: 8V-80V Output: 5V/3A Output: 3.3V/800mA Protection function: reverse connection protection Conversion efficiency: 88% (Max) Working temperature: -40°C-+85°C Scope of application: USB5V/3.3V powered devices such as mobile power, mobile phones, and tablets   Package Included:   3 x 9V 12V 24V 36V 48V 60V 72V to 3.3V 5V 3A DC Step Down Module 3pcs 9V 12V 24V 36V 48V 60V 72V to 3.3V 5V 3A DC Step Down Module Car Power Supply Module See detail