Part of the Notion Lite system, the IN-WT001F1 is an internal air temperature transmitter.

Temperature Range: -30°C to +50°C

The Notion Lite Internal Temperature Sensor is part of the Hanwell Lite system and is an ideal freezer and refrigerator temperature alarm and transmitter. Temperature range -30°C to +50°C. This reliable transmitter is used with our wireless Notion Lite temperature monitoring system for 24/7 data and instant alarm notifications.