The KunukHD was developed with the end user in mind. It brings better battery life, cellular signal ( internal/ external antennas) and a new 60 degree lense. With the newly added app and AT&T sim card ( Verizon Optional )the KunukHD can conect to any cellular tower in Canada as well as be used any where North America wide with no roaming fees. Weve proven the ability to reach farther and work in temperatures tested down to -40C/F The KunukHD Make Every Shot Count!