Digital Aquarium Thermometer 3.0 - Accurate Temp Monitor For Freshwater &. Introducing the JUWEL Digital Thermometer 3.0—your Ultimate Solution for Accurate Temperature Monitoring in Aquatic Environments. Perfect for Both Freshwater and Seawater Aquariums, This Thermometer Ensures Your Aquatic Life Thrives by Providing Precise Readings with Minimal Power Consumption. Rest Assured, It's Crafted Without High-concern Chemicals, Allowing You to Maintain a Healthy Environment for Your Aquatic Friends. Trust JUWEL for Dependable and Consistent Performance. Features: - Compatible with Freshwater and Seawater Aquariums - Accurate Temperature Range: 20-34 °C - Energy-efficient Operation: 0.5W - Constructed Without High-concern Chemicals.