Features:

3-way switch, turn on one side or both sides.
double dome design, brighter lower consumption.
CE and RoHS Certification, heat and corrosion resistant
Easy Installation with wire nut, without polarity
Easy Installation:

1, Press the cover inward and then take it out.
2, Install the RV lights to the ceiling using screws.
3, Connect to 12V power by twisting wires with wire nuts. (No distinction between positive and negative)
4. Put back the RV light cover.
How to Use:

Switch Up - High brightness mode, both sides turn on
Switch Mid - Off mode, both sides off.
Switch Down - Energy-saving mode, only one side turns on
After turning on the RV lights, you can adjust the brightness levels using the RV's dimmer switch (if available)
Specifications:

Product Name: 12 Volt RV interior lights fixture
Color Temperature: Daylight 6500K
Working Voltage: 12V DC
Material: Heat-resistant and corrosion-resistant ABS
Weight: 7.3 oz (207g)
Light source: 48 pcs 2835 SMD LED beads, each side 24 LEDs
Light size : 285*127*38mm (11.25"L x 5"W x 1.5"H)
Lumens : 2 X 300 lumens (Total 600Lm)
Watts: 8 Watts
Switch Type: Dual-function ON/OFF switch
Dimmable: Compatible with 12v Dimmer (Not Included)
Certifications: CE and RoHS
Installation Components: 2 wires, 2 wire nuts, 8 screws
Applications: RV, camper, van, trailer, boat, truck, car, solar project, 12V system
In the box：5 x RV Lights, 10 x wire nuts, 40 x screws, 1 x manual
NOTE:

*Only for 12V voltage(power adapter needed if for 110V home voltage)
*Adapter not included
*Dimmer NOT included