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Shenzhen Langdeli Technology Co., Ltd.

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Large Screen Wall Mount Air Quality Monitor PM2.5 & HCHO Meter for Household Detection Indoor Usage 1 Year Warranty ABS Material

$31-40

Min. order 2 pieces

Security Metal Detector Hand Held High Sensitivity Audio Alert for Event School Public Safety Inspection Human Security Scanner

$4.50-8

Min. order 2 pieces

Wall Mounted PM2.5 HCHO Monitor With Large Screen Display Laser PM2.5 Sensor Semiconductor HCHO Sensor Temperature Hum Time Date

$22-28

Min. order 2 pieces

Large Screen Wall Mounted PM2.5 HCHO Real Time Monitor with Laser and Semiconductor Sensors Temperature Humidity Time and Date

$22-28

Min. order 2 pieces