CO Detection Range: 0~1000 PPM CO Detection Accuracy: ±10 PPM or 5% CO₂ Detection Range: 400~5000PPM CO₂ Detection Accuracy: ±(50PPM+5%*reading) PM1.0/2.5/10 Detection Range: 0~1000μg/m³ PM1.0/2.5/10 Detection Accuracy: ±10μg/m³ (0~100μg/m³) ±10% (100~500μg/m³) HCHO Detection Range: 0~1.999mg/m³ TVOC Detection Range: 0~9.999mg/m³ Temperature Detection Range: 0~50°C Temperature Detection Accuracy: ±1°C Humidity Detection Range: 0%~99%RH Humidity Detection Accuracy: ±5%RH Product Name: Smart 11-in-1 Air Quality Detector Battery Capacity: 3000mAh Product Dimensions: 120 x89 x35mm Power Supply: 5V=2A Type-c interface

Carbon monoxide detection range: 0 ～ 1000 PPM Carbon monoxide accuracy: ±10PPM or 5% PM1.0/2.5/10 detection range: 0 ～ 1000μg/m³ PM1.0/2.5/10 detection accuracy: ±10μg/m³（0～100μg/m³） ±10%（100～500μg/m³） Carbon dioxide detection range: 400 ～ 5000 PPM Carbon dioxide accuracy: ±（50 + 5%*reading）PPM HCHO detection range: 0 ～ 1.999mg/m³ TVOC detection range: 0 ～ 9.999mg/m³ Temperature detection range: 0 ～ 50℃ Temperature detection accuracy: ±1℃ Humidity detection range: 0 ～ 99%RH Humidity detection accuracy: ±5%RH Product dimensions: 120*89*35 mm Battery capacity: 3000mAh Power specifications: USB Type-C 5V = 2A、RS485 5V = 2A Net weight: 212g Gross weight: 325g

PM1.0/2.5/10 Detection Range: 0 ～ 1000μg/m³ PM1.0/2.5/10 Detection Accuracy: ±10μg/m³（0～100μg/m³） ±10%（100～500μg/m³） Carbon Dioxide Detection Range: 400 ～ 5000 PPM Carbon Dioxide Accuracy: ±（50 + 5%*reading）PPM Formaldehyde Detection Range: 0 ～ 1.999mg/m³ TVOC Detection Range: 0 ～ 9.999mg/m³ Temperature Detection Range: 0 ～ 50℃ Temperature Detection Accuracy: ±1℃ Humidity Detection Range: 0 ～ 99%RH Humidity Detection Accuracy: ±5%RH Product Dimensions: 120*89*35 mm Battery Capacity: 3000mAh Power Specifications: USB Type-C 5V = 2A、RS485 5V = 2A Net Weight: 207g Gross Weight: 320g

PM1.0/2.5/10 Detection Range: 0 ～ 1000μg/m³ PM1.0/2.5/10 Detection Accuracy: ±10μg/m³（0～100μg/m³） ±10%（100～500μg/m³） Carbon Dioxide Detection Range: 400 ～ 5000 PPM Carbon Dioxide Accuracy: ±（50 + 5%*reading）PPM Formaldehyde Detection Range: 0 ～ 1.999mg/m³ TVOC Detection Range: 0 ～ 9.999mg/m³ Temperature Detection Range: 0 ～ 50℃ Temperature Detection Accuracy: ±1℃ Humidity Detection Range: 0 ～ 99%RH Humidity Detection Accuracy: ±5%RH Product Dimensions: 120*89*35 mm Battery Capacity: 3000mAh Power Specifications: USB Type-C 5V = 2A、RS485 5V = 2A Net Weight: 207g Gross Weight: 320g

Temperature detection range: 0~50°C Temperature detection accuracy: ±1°C Carbon monoxide detection range: 0~999ppm Carbon monoxide accuracy: ±10 PPM or 5% Humidity detection range: 0~99%RH Humidity detection accuracy: ±5%RH Product Name: Mini Co Concentration Detector Battery capacity: 900mAh Power supply: 5V=2A Type-c Product dimensions: 50*85*17mm

Sensors: Infrared CO2 sensor, optical sensor Detection technology: Infrared detection technology Applicable temperature: 0～50℃ Carbon dioxide detection range: 400～5000 PPM Carbon dioxide accuracy: ±(50 + 5%*reading) PPM Temperature detection range: 0～50℃ Temperature detection accuracy: ±1℃ Humidity detection range: 0～99%RH Humidity detection accuracy: ±5%RH Product dimensions: 50*85*17 mm Battery capacity: 900mAh (actual 800mAh) Power specifications: USB Type-C 5V = 2A Net weight: 55g Gross weight: 131g Standby time: 21 hours

Sensors: Infrared CO2 sensor, Semiconductor TVOC sensor Detection Technology: Infrared CO2 sensor, Semiconductor detection technology Operating Temperature: 0 ~ 50℃ CO2 Detection Range: 400 ~ 5000 PPM CO2 Accuracy: ±(50PPM + 5%*reading) HCHO Detection Range: 0 ~ 0.6mg/m³ TVOC Detection Range: 0 ~ 2.0mg/m³ Temperature Detection Range: 0 ~ 50℃ Temperature Accuracy: ±1℃ Humidity Detection Range: 0 ~ 99%RH Humidity Accuracy: ±5%RH Product Dimensions: 70*90*35 mm Battery Capacity: 1200mAh Power Specifications: USB Type-C 5V = 1A Net Weight: 140g

Sensors: Infrared CO2 sensor / Semiconductor TVOC sensor Detection Technology: Infrared CO2 sensor / Semiconductor detection technology Operating Temperature: 0 ~ 50℃ CO2 Detection Range: 400 ~ 5000 PPM CO2 Accuracy: ±(50PPM + 5%*reading) Temperature Detection Range: 0 ~ 50℃ Temperature Detection Accuracy: ±1℃ Humidity Detection Range: 0 ~ 99%RH Humidity Detection Accuracy: ±5%RH Product Dimensions: 70*90*35 mm Battery Capacity: 1200mAh Power Specifications: USB Type-C 5V = 1A Net Weight: 140g

Sensor: Semiconductor sensor Size: 34 x 120 x 19.1mm Material: ABS Power supply: 2 x AAA batteries Measurement range: 0 - 0.95mg/L Heating time: 10 seconds Blowing time: 10 seconds Net weight: 42.5g Weight: 80g

Sensor: Semiconductor sensor Size: 26.5*100*17.3mm Material: ABS Input voltage: DC5V 1A Battery capacity: 150mAh Measuring range: 0 - 0.95mg/L Heating time: 10 seconds Blowing time: 10 seconds Net weight: 28g Weight: 54g

Sensor: Semiconductor sensor Size: 26.5*100*17.3mm Material: ABS Input voltage: DC5V 1A Battery capacity: 150mAh Measuring range: 0 - 0.95mg/L Heating time: 10 seconds Blowing time: 10 seconds Net weight: 23g Weight: 49g

Detection radiation: X, γ and hard β rays. Detector: Energy compensated GM tube (Geiger counter) Measurement range dose equivalent rate: 0.01~100μSv/h Energy range: 48keV-1.5Mev≤±30% Sensitivity: 80CPM/μSv (for Co-60) Relative inherent error: ±15% Operating environment: Temperature: -10～45℃, Humidity: ≤95%RH Dimensions: 70x135x24mm Net weight: 101g Gross weight: 166g With aircraft box: 226g

Detection radiation: X-rays, γ-rays and β-rays. Detector: Geiger counter Current dose rate measurement range: 0~10000μSv/h (10mSv/h) Cumulative dose equivalent range: 0～500mSv Energy range: 50keV-3Mev≤±30% Relative inherent error: ±15% Sensitivity: 60CPM/μSv Dimensions: 55x112x19.6mm Battery capacity: 800mAh Power supply: USB Type-C 5V=1A Net weight: 73g Gross weight: 202g

Product Model: Mi Finder Product Size: 39*39*6 mm Material : ABS  Color : Black / White Battery:  Internal battery - CR2032  Battery working :  ≥ one year Buzzer : ≥75dB  Support System : iOS   Color box size: 70*85*16 mm Product Net Weight: 9.1g Product Gross Weight: 20g Carton Quantity: 200pcs Carton Size: 435*274*37mm Carton Gross Weight: 4KGS