Multiple Security Protection: With low voltage protection, our hardwire kit automatically cut off the power after 60s when the voltage is lower than 11.6V/23.6V (it depending on your vehicle). More security protection like over-current, short-circuit, reverse connection, and overheat. 4 DUAL-SLOT fuse holder, Standard ATO, mini, low profile mini and micro2. 4 types, suit for most cars on the market Input:12V-24V; Output:5V/3A, hardwire kit is suitable for most car models(Voltage between 12-24V). Our hardwire kit Equipped TYPEC USB conversion cable,works for almost all car Fuse Adapter 1. Pull out the orginal fuse at fuse box 2. Insert the orginal fuse to LOWERslot on the adapter 3. Insert fuse to the UPPER slot 4. Insert the adapter to the fuse slot at fuse box Colour:Black Material:plastic type: A Package Contents: 5 x for Hardwire Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.