Simultaneous detection of PM2.5 / PM10 / temperature / humidity Equipped with laser sensor and temperature/humidity sensor PM2.5/PM10 concentration indicator light shows air quality in real time Audible and visual alarms with customizable PM2.5/PM10 alarm value Compact and portable, with magnet on the back and lanyard for hanging Auto shutdown for longer battery life. Product Name: PM2.5 Detector PM2.5/PM10 Range: 0 to 1000μg/m³(±10%) Temperature Range: -10℃ to 50℃ (±1.5℃) / 14℉ to 122℉ (±2.7℉) Humidity Range: 0% to 95% RH (±5%) Battery: Li-Po 3.7V 1000 mAh Charge Input: USB Type-C DC 5V 1A Operating Temperature:-10℃ to 50℃ / 14℉ to 122℉ Color:White Material:plastic Package Contents: 1 * Air Quality Monitor 1 * Charging Cable 1 * Instructions in Chinese and English Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.