HCHO + VOC Wireless sensor (C3139A)

• HCHO measurement with VOC level
• LCD display to show HCHO value and VOC level
• Battery power level indicator
• Using rechargeable batteries and/or USB power
• 4-channel selectable
• Long-range transmission with console up to 150m (492 ft.)
• Product size: 82 x 120.5 x 43mm (W x H x D)
• USB power and/or 3 x AA 1.2V rechargeable battery (included)