Adapter compatible for Bosch, Stanley,Porter Cable, Black&Decker 18-21V batteries not includ,Need to purchase separately Intelligent protection system Overcurrent ProtectionTemperature ProtectionLow Voltage ProtectionThe ingenious circuit design, extremely low heat generation, does not need to use the metal heat dissipation fin design, only the lamp holder shell made of high-strength plastic shell, will not produce high temperature during use Package 1x tripod stand，1 x light head, 4x batter adpaters( batteryies and AC power adpater not includ,Need to purchase separately） Luminous Flux 1500-12000lm,Brightness dimmable， Color Temperature 5000 K Noise 0 dB Voltage 90-230V Power Source 7 Brands Tool Batteries or DAYATECH AC power adpater(Need to purchase separately)