The DS-907 has the following characteristics,adopts the high quality quartz light ,environmental protection,lift could up to 30000 hour,It has the characterstic of effiicient,energy-saving,and light lose dinky,The color temperature will not bechange as lighting long time.use the battery of F770 The video light irradiate by super large wide-angle 60 light of the optical lens ,color temperature is 3000±200k,it is suitable for wedding,and personality numans MV shooting etc. Specification: Video Light Angle' :ApproxX60 Maximal illumnation:350Lx@lm Color Temperature:3000±200k Color rendering index:Ri>85 Operating Voltage:DC-7.2V Net weight:180G(no included battery) Iuminophors lift:3000H Lamp caps size;65mmlX43mm(w)X95mm(H)