This oximeter with respiratory rate detection features a one-key adjustable display for convenient data viewing. The housing utilizes a metal baking paint finish. The LED high brightness display screen is clearly visible in low light. A full wrapped rubber anti-skid pad ensures a comfortable grip and prevents slipping. A high-speed computing chip provides fast and accurate results. Specifications: Blood oxygen saturation measurement range: 70% to 99%. Pulse rate measurement range: 30 BPM to 240 BPM. Oxygen saturation measurement accuracy: 70% to 99% within 2%; 70% is not defined. Pulse rate measurement accuracy: 1 BPM or 1% of the measured value, whichever is greater. Oxygen saturation resolution: 1%. Power consumption: Less than 30mA. Automatic shutdown: Powers off automatically after 8 seconds with no finger inserted. Service temperature: 5°C to 40°C. Storage humidity: 15% to 80% working, 10% to 80% storage. Atmospheric pressure: 70kPa to 106kPa. Battery model: 2 x 1.5V AAA alkaline batteries not included. Material: ABS and PC. Product size: 5.6 x 3 x 2.9cm. Weight: 28g. Package includes: 1 fingertip oximeter in a PE bag, 1 hanging rope, 1 white card lining, 1 English user manual, 1 color box. Condition: New. Origin: China.