VBR-Solar Irradiance Meter Up to 3499 W/m² workwarehouse Semi Hard EVA Ski Goggles

Semi Hard EVA Ski Goggles Case with Aluminum Bag Strap & High-Performance Proof Zipper - Compact & Lightweight Travel Carrying Snowboard Goggles Bag

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Aluminum case innovative engineering ensures durability

Main chip: NE 555

VBR-Solar Irradiance Meter Up to 3499 W/m² workwarehouse Semi Hard EVA Ski GogglesVBR Solar Irradiance Meter Up to 3499 W m Product Features Accurate Testing with the solar sensor. Up to 3499 W m2. The sensor inside is from a famous Japan semiconductor company. Record solar irradiance intensity data at different location methodically by grids. Measure the transmittance of sun protection film. Simple and safe APP. Only need to connect the bluetooth of smart phone. Can be still used even if there is no internet signals.