Timeguard-TR-672-top-24-Hour-7-day-2-channel-digital-39-top-39-module-witho-Timeguard-TR672TOP-Shares-all-the-features-&-benefits-of-the-TR-671-top-but-is-a-2-channel-time-switch-with-42-memory-locations-which-can-be-distributed-as-required-over-the-2-channels-The-module-requires-a-3V-DC-power-supply-br-br-Electronic-timer-module-for-OEM-applications-featuring-Text-Oriented-Programming-Timeguard-Tr 672top-Timeswitch-24hr-7day