Monitor the quality of your water accurately with this professional ORP Meter, designed to measure Oxidation Reduction Potential (ORP) levels and temperature with ease. Featuring a compact, pen-type design, this versatile device is perfect for applications including aquariums, hydroponics, spas, swimming pools, and other water systems, providing instant and reliable readings whenever you need them. Key Features: · Dual Measurement Functions: Accurately measures both ORP levels (mV) and temperature (°C/°F) to help maintain optimal water conditions. · Clear LCD Display with Backlight: Easy-to-read screen with backlight allows for convenient use even in low-light environments. · Waterproof IP65 Design: Durable and water-resistant construction ensures reliable performance in wet conditions. · Replaceable Sensor Probe: Simple maintenance with a replaceable probe extends the lifespan of the device. · Auto Shut Off: Energy-saving feature automatically powers off the meter after inactivity to conserve battery life. · Compact and Portable: Lightweight pen-style design (only 74.5g) makes it easy to carry and handle for on-the-go testing. · Wide Application Range: Ideal for water quality testing in aquariums, pools, hydroponics systems, spas, and various water treatment environments. · User-Friendly Operation: Intuitive design provides quick and accurate results without complicated setup. Specifications: · Measurement Range: ORP -1999mV to 1999mV | Temperature -50℃ to 70℃ (-58℉ to 158℉) · Resolution: 1mV for ORP | 0.11℃ (0.2℉) for temperature · Accuracy: ±5mV for ORP | ±1℃ (±2℉) for temperature · Operating Temperature: 0℃ to 50℃ (32°F to 122°F) · Power: 4 × 1.5V (AG-13) button cell batteries (not included) · Material: Durable ABS housing · Dimensions: 14.7 x 2.7 x 1.8 cm (5.8 x 1.1 x 0.7 in) · Weight: 74.5g (2.6oz) Package Includes: · 1 × ORP Meter (Battery not included) · 1 × User Manual · 1 × Mini Screwdriver This ORP Meter offers a reliable and efficient way to keep track of water quality, making it an essential tool for hobbyists and professionals alike who need precise control over water parameters. Enjoy hassle-free testing with a waterproof, portable, and easy-to-use device that delivers immediate and accurate results every time.