[STURDY AND DURABLE] Remote battery disconnect switch made of high-quality material shell and pure copper wire, ensuring better contact and long service life. Rated for over 5000 operations, it can help extend car battery life by 2-3 times. [MORE CONVENIENT] The wireless remote control battery disconnect switch allows you to disconnect your car battery without opening the hood. Simply press the remote button to turn the power on or off, saving time and effort while improving safety. [EASY INSTALLATION] No modifications required. Step 1: Remove the negative power line of the vehicle. Step 2: Attach the negative power line to the relay. Step 3: Mount the relay to the negative terminal of the battery. Step 4: Connect the red wire to the positive terminal of the battery. This 12V battery disconnect switch enables quick access to power control with the push of a button. [BETTER SECURITY] Acts as a kill switch for anti-theft protection. Eliminates parasitic draw when the vehicle is not in use, safely disconnecting the battery to prevent unauthorized use and protect against excessive drain. Ensures no power leakage and provides a reliable way to cut off electrical power. [WIDELY APPLICATION] Compact and space-saving design. With a 100A rated current, this battery disconnect switch is suitable for cars, motorcycles, boats, travel trailers, trucks, and other 12-volt engine applications. Color: Black Material: ABS Package Contents: 1 x Car Battery Isolator 2 x Remote Control 1 x Battery Clip 1 x Accessories Kit Note: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.