Sell Roadsun 2pcs 4pcs 5-Leds Car Door Opening Warning Light Magnetic Wireless LED Warning Shinning Blinking Mark Alarm Signal Exterior Lights Magnetic Induction Strobe Flashing Anti-Rear-end Collision Lights Red Blue Color best price

Package Included: ①.2PCS 5LED Car Door Opening Warning Lamp(Color: Red, Blue Option) ②.4PCS 5LED Car Door Opening Warning Lamp(Color: Red, Blue Option) ③.2PCS Red + 2PCS Blue Car Door Opening Warning Lamp Feature: Voltage:DC12V Material: PVP Adapted models: all Applicable models: universial Power: 0.03 (W) Current: 0.02 (A) Model: Door warning light 2835-5smd Name: LED door warning light Installation: Free installation ☆Why install a door warning light? Without warning of the rear vehicle, it is easy to have an unnecessary collision. ☆Intelligent magnetron induction motherboard ☆High brightness LED lamp beads, high temperature resistance, low consumption ☆Intelligent magnetic induction control controls light, easy and convenient ☆Dustproof & Waterproof, no fear of rainy day, fine processing waterproof ring, better protection of the main control board ☆Durable: CR2030 battery, long life, battery easy to replacement ☆Easy to install, no need to punch holes, no need to break the line How to replace the battery 1. Unscrew the outer casing 2. Gently open the motherboard 3. Put on a new battery 4. Follow the steps to back and complete the replacement.