Note: It is not allowed to use over voltage, and it is forbidden to connect to 220V household electricityFeatures:1.Using a special design of the LED constant current source power supply circuit, the performance is very stable, long life, 30,000h , the protection of the environment, you can enjoy using it.2. Super Bright and Energy Saving: each light bar has 72 led bulbs, it is bright enough to meet any needs, low power consumption. safe to use.3. Easy to Install and Control: light bar easy to use light. This is a double-sided tape, custom layout, you can easily install in any place. easy to use.4.Suitable for all types of trucks, cars, minibuses, buses, etcSpecification:Product Name: Light Strip BarOn/Off Switch: YesLED QTY: 72 leds,2835SMDBulb Type: Lighting LampType: 12-85V interior lightsVoltage: 12-85VColor temperature: 6500KLight Bar Length: 33CMColor: WhiteMaterial: Aluminium alloyFunction: Cab reading lamp, compartment lamp, trunk lamp, etcWire Connection: Red wire-Positive, Black wire-Negative.Qty: 1pcsWide Application:It's designed with a convenient On-Off switch for simple control of the led light, suitable for most types of van, caravans, lorries.Package included:1 x Interior light bar (12-85V DC)2 x Buckle brackets1 x Double-sided tapeNote:1. We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need.2. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)3. The instruction is not included in the package.Professional installation is Highly Recommended.Details picture: