140W 3.2V/3.7V solar ceiling light source board， builtin white light + warm light dual color， the light color can be switched. 2Easy to install， it can be used for solar garden lights， solar flood lights， solar ceiling lights， and other solar lighting fixtures. 3Using highquality aluminum substrate + ABS material， durable， good heat dissipation， not easy to damage， long service life. 4High brightness， low power consumption， brightness can be adjusted according to needs， remote control timing， easy to operate. 5Produced under strict quality control and standard requirements， the safety factor is high， stable and reliable to use.Item Type: Lamp Panel BoardMaterial: Aluminum Substrate + ABSWeight: Approx. 74g / 2.6ozApplication: Used for solar garden lights， solar flood lights， solar ceiling lights， solar lights and other lampsRated Battery Voltage: 3.2V lithium iron phosphate battery / 3.7V ternary lithium battery (the battery needs to have its own protection board)Remote Control Power: 2 x AAA Battery (Battery Not Included)Recommended Battery Capacity: 10AHSolar Panel Input Power: 6V<15WTotal Lamp Power: 80pcs 40W 1 x Lamp Panel Board1 x Remote Control (Battery Not Included)1 x ManualWhen using 3.2V or 3.7V lithium battery， please be sure to install a protective board to prevent overcharge and overdischarge.