Deeper 3.0 / PRO / PRO+ / CHIRP models have been specifically engineered for ice fishing use, and there is an ice fishing mode on the app. The specially designed durable casing has been ruggedized to withstand harsh conditions, allowing Deeper sonars to operate perfectly in temperatures as low as -4 F / - 20 C. For ice-fishing, select the Ice Fishing mode in the Deeper App.
Deeper Start is not designed to be used for ice fishing, and the optimal operational temperature of this model is 0°C to 40°C / 32°F to 104°F