1. Small size, does not take up space 2. A blue working indicator light is added to the neck, which can clearly indicate the position of the interface 3. Trickle charging, no damage to the device 4. Anti-slip shrapnel design, stable and not loose 5. 12-24V common models can be universal 6. Material: fireproof ABS 7. Output: 34/5V 8. Input: 12V-24V 9. Dimensions: 53x22x24mm