Feature: 1. [Multifunctional]: Pulse oximeter measures oxygen saturation, pulse rate, and perfusion index. Specially designed for children, compact and lightweight. 2. [How To Use]: Turn the pulse oximeter on and insert a finger into the rubber opening. Release the clamp, press the button, and the device will enter working mode. The oximeter automatically enters standby or sleep mode after 8 seconds without a finger detected. 3. [Quick Display]: Utilizes advanced sensing technology to display results on screen within 5 seconds. 4. [TFT Display]: Low power consumption with a clear TFT screen. Display can be rotated in 4 directions for easy viewing. Compact and portable for home or travel use. 5. [Warranty]: If you have any issues, please contact our store. We will provide a satisfactory solution. Specification: This fingertip pulse oximeter is designed to measure oxygen saturation (SpO2), pulse rate (PR), and perfusion index through a finger. Designed for pediatric use with a small, user-friendly size. Features: [Multifunctional]: Measures oxygen saturation, pulse rate, and perfusion index. Ideal for children, compact and lightweight. [How To Use]: Power on the device, insert a finger into the sensor, release the clamp, and press the button to begin measurement. Automatically powers down after 8 seconds of non-use. [Quick Display]: Advanced sensor provides readings within 5 seconds. [TFT Display]: Clear TFT screen with low power consumption. Adjustable display orientation for comfortable viewing. Portable design suitable for home or travel. [Warranty]: Contact our customer service for any product-related concerns. A responsive support solution will be provided. Specifications: Item: Children Fingertip Pulse Oximeter Display Type: TFT Display Color Options: Yellow, Blue, Red SpO2 Measuring Range: 70%99% (1% resolution) SpO2 Accuracy: 2% (80%99%), 3% (70%79%); not clinically meaningful below 70% Pulse Rate Measuring Range: 30 BPM240 BPM Pulse Rate Accuracy: 1 BPM Battery: 3.7V 200mAh Main Material: ABS plastic Measurement Time: 5 seconds Auto Power-Off: After 8 seconds of inactivity Item Size: 4.6 x 2.8 x 2.7 cm Package Size: 7.6 x 5.5 x 3.7 cm Package Weight: 29g Note: Do not operate the device if damp or wet due to condensation or liquid exposure. Avoid using immediately after moving from a cold to a warm, humid environment. Nail polish or artificial nails may affect SpO2 reading accuracy. High ambient light may interfere with measurements. Shield the sensor from direct sunlight when necessary. Slight variations in color or dimensions may occur due to manual measurement or lighting conditions. Packing List: 1 x Children Fingertip Pulse Oximeter 1 x Lanyard 1 x User Manual (English)