Razer Kraken Kitty Ears Chroma USB RGB Gaming Wired Over Ear Headphones with Mic (Black, RZ04-02980100-R3M1) desktop charger 0: advanced infrared technology with

0: advanced infrared technology with 25 m IR distance

Hikvision Pro Series Video and Fingerprint Terminal DS-K1T501SF with Video access control terminal

The GXW4501 series are E1/T1 Digital VoIP Gateways that allow digital PSTN and ISDN trunks to be integrated with VoIP networks

AF/AT camera can reach up to 300 m in extend mode

1 Female Adapter with USB C to USB 3

Razer Kraken Kitty Ears Chroma USB RGB Gaming Wired Over Ear Headphones with Mic (Black, RZ04-02980100-R3M1) desktop charger 0: advanced infrared technology withRazer Kraken Kitty Ears Chroma USB RGB Gaming Wired Over Ear Headphones with Mic (Black, RZ04 02980100 R3M1) with Kitty ears and earcups powered by Razer Chroma, Stream reactive lighting, Active noise canceling microphone, THX Spatial Audio, Cooling gel ear cushions, Frequency response: 20 Hz 20 kHz, Impedance: 32 ohm at 1 kHz