Specifications: Made from alloy material of good electrical conductivity. Protect electrical appliances from excessive current. Switch type, easy to operate. Press once to disconnect, very convenient. Simply push the red part back to reconnect. Can be mounted on panel or firewall. Item Name: Circuit Breaker Material: Plastic Features: Mini Size, Resettable, Car Accessories Item Size: 99mm x 42mm/3.90" x 1.65" (Approx.) Working Method: 1. Open circuit protection: When the current reaches the disconnection value, the long handle automatically pops off, and the power is cut off. Generally, the short circuit condition is tripped. After the fault is removed, the long handle can be returned to the original position to form a path. 2. Manual power off: we need to disconnect the circuit when the modification, directly press the elliptical red button on the insurance, then the long handle automatically pops off, cut off the power. Turn on the same as above, then press the long handle back to the original position. Instructions: 1. Wiring IN (BAT) incoming line, OUT (AUX) outgoing line. 2. Press the ellipse button, the long handle pops off, and the breaker is powered off. (Be sure to press the ellipse button. If you use the long handle to power off the handle, the breaker will be broken and there is no warranty). 3. After resetting the popped long handle, the circuit breaker is energized. Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Circuit Breaker