1. It uses double waterproof rings, providing excellent waterproof performance. 2. Our model is much longer than other foreign models and is more accurate in measuring water temperature. In summer, the water temperature is high. Other similar products are too short, so the water temperature be much higher! 3. The leakage rate of other models is too high. Our foreign customers have it! The most crucial aspect is the waterproof performance! 4. Our model is one of the best waterproof products of its kind in China! Note: The power-on sequence must be carried out in the order shown in this section (first insert the battery into the remote transmitter, then insert the battery into the display console). Color: As shown Material: ABS Package Contents: 1X float water temperature gauge (without 4XAA battery) 1X display (without 2XAA battery) 2X lid opening accessories 1X English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.