The CHC WH unit is a wireless handheld control device which, via a radio link to the CHC WA actuator, enables the control of an anchor windlass, providing a reading of the chain let out – Operates in the 2.4 GHz band – Multi-channel bidirectional transmission (6 ch) – Simple and intuitive multilingual user interface (English – Italian – German – French – Spanish) – Graphic LCD display with wide viewing angle – Display backlight adjustable to 5 brightness levels – Display contrast adjustable to 5 levels with automatic compensation based on ambient temperature - Backlit buttons - Automatic key lock with battery-saving function - High-efficiency LED torch - 8 hours’ battery life in continuous use - Battery charge status display - Battery charging via cable (USB-C) or wireless dock - Automatic shut-off after prolonged inactivity - Automatic up and down alarm functions - Display of chain movement speed - Tonneggio mode - Units of measurement adjustable to metres, feet or arms - Operates over a wide temperature range - IP67 protection rating - Float - Power supply: built-in rechargeable lithium-polymer battery - Carrier frequency: ISM 2.4 GHz (2402–2483 MHz) - Modulation: FSK - Operating temperature: -20° to +60° - Dimensions (WxHxD): 51.9 x 132.5 x 18.35 mm