LFD-D29
The products have two kinds of functions:
1)press the button and logo can be projected from the torch ,can be change filme freely
2) Available in Flat Light with lots of room to promote your logo or special events, trade shows and promotions. When turned on, they attract a lot of wanted attention.and signboard can be freely take out ,The replacement of ad content anytime, anywhere.
Battery: CR1620*2PCS