4 Pack Digital Thermometer with External Probe, Fish Tank Thermometer with LCD Display, Black Aquarium Thermometer Monitor with 4 Replacement Batteries for Freezer, Kitchen, Aquarium (-50°C to 110°C)

• Size & Quantity: Digital thermometer set includes 4 units, each measuring 48 mm × 28 mm × 15 mm, featuring a 1‑meter waterproof external probe – each unit is powered by 2 LR44 button batteries (already installed), with 4 additional spare batteries included in the set.
• Function & Material: Fish tank thermometer offers a temperature range of -50°C to +110°C with ±1.0°C accuracy, a clear LCD display readable in low‑light or steamy conditions, and a moisture‑resistant housing that ensures reliable performance in humid environments.
• Applicable Scenarios: Water thermometer is ideal for refrigerators, freezers, aquariums, reptile vivariums, greenhouses, water baths, cold rooms, and fish tanks – perfect for pet owners, home brewers, and anyone needing precise temperature monitoring.
• External Probe & Easy Reading: Aquarium thermometer comes with a 1‑m probe that reaches hard‑to‑access areas like sealed freezers or deep tanks, while the bright digital screen provides instant, crisp readings at a glance without straining your eyes.
• Versatile 4‑Pack Value: Digital thermometer allows you to monitor multiple locations simultaneously – equip your kitchen appliances, pet enclosures, and storage units all at once. The small, square body blends neatly into any setting without taking up space.

Digital thermometer set includes 4 compact units (48 × 28 × 15 mm each) with a 1‑metre waterproof external probe, offering a wide temperature range of -50°C to +110°C (±1.0°C accuracy) and a clear LCD display readable in low‑light or steamy conditions. Aquarium thermometer is moisture‑resistant and ideal for monitoring fridges, freezers, fish tanks, reptile vivariums, greenhouses, and water baths – the 4‑pack allows you to track multiple environments simultaneously with minimal space usage. Probe line length: 1m Dimensions: 4.8✖2.8✖1.5cm Temperature range: -50°C ~ 110°C Operating temperature: 0°C ~ 50°C Temperature measurement error: ±1°C Package Includes: 4 x Digital Thermometer