The TR 642 top3 BLE 12 - 24 V RC digital year clock as a special voltage device with an operating voltage of 12 to 24 V UC. For maximum accuracy, the year timer clock can be synchronised with an external DCF or GNSS antenna. When using a GNSS antenna, additional position data is used for even more precise astro control. Convenient control with BLE module without the need for a cloud or gateways. The integrated Bluetooth BLE module allows the timer clock to be programmed via a smartphone or tablet. The astro function calculates the exact sunrise and sunset times throughout the year. One outstanding feature of this timer clock is the integrated zero-crossing circuit, which optimally protects relay contacts and enables fivefold LED switching capacity. https://elecena.pl/product/29353628/6424330-digital-2-channel-timer-clock-tr-642-12-24v-app-program 2025-09-13 https://elecena.pl/product/29353628/6424330-digital-2-channel-timer-clock-tr-642-12-24v-app-program 2026-03-06