Portable infrared laser light source This product is sealed physically and its working distance is 100-800m. It can work under either 3.6V or 12V voltage. With the 3.6V type, rechargeable Li-ion battery is built in. It can be equipped with guns as a night surveillance tool or gunsight. Its illumination angle and power can be customized. The range of divergence angle is from 0.5-30 degree (horizontally). Features Core structure, easy to use High power illuminating laser light source, low power dissipation small-sized and light Illumination angle can be adjusted to needs, a wide night surveillance range Sealed physically, working 24-hours We could also manufacture vehicle night vision system in terms of different vehicle types as standard or optional vehicle parts.