Eco-Friendly Solar Power: The car false alarm light is powered by the latest upgraded solar energy, which can be absorbed and saved in the battery. It can flicker all night long after enough sunlight shines during the day.  With USB Charging Port: This analog alarm light not only can be charged automatically with solar energy, but also has a USB charging port. When there is not enough light on rainy days, you can use the USB to charge. The LED will strobe slightly when charging, and stop strobing when fully charged. Anti-Theft: This car simulator alarm light can scare off those with bad intentions and protect your property from potential thieves at night. Built-in light sensor, the microcomputer controller will automatically sense the intensity of light. There is a setting switch on the back, when you don't want it to blink you can turn the switch to OFF, when you want it to start working you can turn the switch to ON. Strong Adhesive on The Bottom: It comes with strong double-sided tape on the bottom, so you can simply stick it anywhere you want to mount it. Note: Please make sure the surface is dry and clean before sticking, try not to stick on dirty or rough surface. Item Name: Interior Lights Material: ABS, Circuit Board Applicable Models: Universal Supporting Relationship: Applicable Features: Solar-Powered, Eco-Friendly, Durable Size Details: 5cm x 2.7cm/1.97" x 1.06" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Red 1pc, Blue 1pc: 1 x Interior Light or Red 2pcs,Blue 2pcs: 2 x Interior Lights or Red 3pcs, Blue 3pcs: 3 x Interior Lights