These guys just keep getting better. Be interesting to see.
www.shootingwarehouse.com

DNT HYDRA 3-IN-ONE Multi Function Thermal Unit
HS225, HS325 and HS635 versions IN STOCK NOW!!! WE CANNOT SHIP THESE THERMAL CLIP-ON SCOPES OUTSIDE CANADA!!!! These units take FLAT-TOP 18650 Batteries which are not included as they are airfreighted to Canada!!! You can order a battery KIT which includes 2 batteries and an external charger...
