Projector bulbs can be incredibly ... Optical lenses help focus the light, and some custom wiring makes the LED turn on and off just like the stock lamp would. In the end, his first experiment ...

The Doogee V Max Play redefines outdoor smartphones with a built-in projector, camping lights, and an ultra-long-lasting 22,000mAh battery.

These models use a three chip 3LCD laser array technology for superior performance on up to a 20,000-hour rated light source ...