... lights 5. widely used for lights Feature:Wireless control, easy to installControl Lights, Motors, Fans, electrically operated Doors/Locks/Windows ... microprocessor designed and developed with low-power and high-speed CMOS technology.Use ULN2003 to drive relay, with strong anti-interference ... 110mm x 50mm x 18mm Power Supply: 1 x 23A -12V battery (included, can be used for 12 months)Usage:1) Learning ...