1.Attach white and yellow filters with magnet and put spared one on the back battery compartment.
2. Include indepent power switch and keep the same brightness out when
switch it on again.
3. Easy to take in pocket and light for phone photography or DSLR camera
photography.
4. Alaways used in wedding recording
5. Powered by BP-4L battery or 4 AA battery (not included)
6. Can also mount on lamp stand with 1/4" screw