Lets each participant choose the interpretation language and set the headphone volume. Plug in headphones and the 1.44-inch display turns on, with up to 100 languages in native characters. A participant's preferred language is selected automatically. Connects to the DCNM-FBD2. Scroll down for details.

A battery-powered 12-inch two-way speaker with a built-in 4-channel mixer, Bluetooth and app control, for events without mains power. Scroll down for details.

Two 4MP (2K⁺) lenses in one camera: a fixed wide lens watches the whole room while a pan & tilt lens zooms in and follows people. Tap any spot in the wide view to see it up close, with colour night vision and Wi-Fi 6.

8MP ColorVu varifocal dome camera with Smart Hybrid Light: colour video at night, up to 40 m. AcuSense intrusion, line crossing and region alarms, with face capture. Also: strobe and siren, PTRZ (turn, tilt and zoom from the app), dual-array microphone, audio and alarm terminals and microSD slot. Scroll down for details.

Cloud backup for one EZVIZ camera for 1 month: every motion alert clip is saved online with 7-day video history, safe even if the camera or memory card is lost. Watch, download and share from the EZVIZ app.

A fingerprint smart door lock that opens four ways: fingerprint, PIN, RFID card or the mechanical key. The semiconductor sensor unlocks in under a second, with a C-class cylinder, tamper alarm and anti-peep virtual PIN. No Wi-Fi or app needed. Scroll down for details.

A 15-inch two-way powered speaker with 1200 W, 132 dB, DSP presets and app control, for live sound, DJs and events. Scroll down for details.

4MP ColorVu 3.0 bullet camera with Smart Hybrid Light: colour video day and night, up to 30 m. Motion Detection 3.0 for people and vehicles. Also: strobe and siren, built-in microphone and microSD slot. Scroll down for details.

256-channel Super 8K NVR with RAID for up to 256 IP cameras, with 24 hard drive slots. RAID keeps recording when a disk fails, with dual 8K output and a redundant power supply. Scroll down for details.