5.5 x 2.1 MM 5A DC Power Jack Socket Dc-099 30V Threaded Female Mount Connector Adapter with 5.9Ich 18Awg Cable(Pack of 10) 10pcs 5.5x2.1 industrial 3 AAA batteries(not included in

3 AAA batteries(not included in packing)

For battery type: LI-ION

TF SD card reader

Material: Plastic and metal

5.5 x 2.1 MM 5A DC Power Jack Socket Dc-099 30V Threaded Female Mount Connector Adapter with 5.9Ich 18Awg Cable(Pack of 10) 10pcs 5.5x2.1 industrial 3 AAA batteries(not included in5. 5 x 2. 1 MM 5A DC Power Jack Socket Dc 099 30V Threaded Female Mount Connector Adapter with 5. 9Ich 18Awg Cable(Pack of 10) Specification: Materials : Copper Nickel plating Use temperature range: 30 70 centigrade Rated load: 30V DC 5A Insulation resistance: 100 M ohm Insertion force: 3N ~ 30N Insertion and the Extraction Force Electrical life: 6000 times Quantity: 5pcs Product Features Product Name: DC Power Jack Female Mount Hole Diameter : 10.