Large indoor and outdoor thermometer designed for clear, longdistance temperature reading. No battery required. Key benefits Immediate, reliable readings: large temperature scale in Celsius for quick checks from a distance. Battery operation: simple, maintenance monitoring without charging or replacing batteries. Helps you control comfort and safety: monitor pool, bath, or aquarium temperatures to avoid water that is too cold or too hot and to maintain a pleasant SPA experience. Features Celsius display with readings up to 40°C. Large, easytoread scale optimized for visibility. Compatible replacement accessory for round swimming pools and similar installations where a temperature indicator is needed. Suitable for both indoor and outdoor use. How it solves problems Prevents surprises: see water temperature at a glance before entering a pool or spa. Simplifies care: maintain stable aquarium or bathroom water temperatures without frequent manual checks. Low maintenance: battery design reduces upkeep and downtime. Typical use scenarios Outdoor swimming pool: monitor water temperature before swimming or heating to ensure comfort. Bathroom or home spa: check bath or spa water to reach preferred warmth safely. Aquarium: track tank temperature to protect aquatic life and maintain stable conditions. Easy to use, visible from a distance, and suitable as a replacement accessory for round swimming pools and similar applications.