Power over Ethernet, IEEE802.3f, 2.5" and 4", 4- and 6-digit clocks, 12" and 16" analog clocks, Each clock synchronizes to network time server via network time protocol (NTP), Network management through web interface
2.5" and 4", 4- and 6-digit clocks, 12'' and 16'' analog clocks, The free frequency of 900 MHz does not require an empty FCC in USA (check with local authorities in other countries), Network-based transmitter interfaces to your LANs network, Each watch is a transponder to maximize the efficient signal strength
2.5 "and 4", 6-digit clocks with high visibility digits, 12" analog watches, RS-485 (twisted pair to 4,000 ft) or UHF radio receiver for existing facilities, Sound and LED alerts incident are available as options