This is a piece of concept art featuring one of the devices currently under development by Ashima Devices (LINK). Different variants have different applications but essentially you have the same technology for viewing in a little i-round that you'd have in a surveillance satellite. Ashima Devices helps define the future of military force protection and law enforcement high-tech through innovation and unique approaches to solving everyday problems. The helical device coming out of the rear, around the aerospike, is an antenna.
That look when they have you surrounded -
46 minutes ago