☀【Wider Light Measurement Range】-Illuminance measurement range: 0.1~300,000Lux (0.01~30,000FC); Lux and foot candle optional; resolution: 0.1Lux/FC; high accuracy of ±4% on average; ideal light level detector for photography, plant growing lights, LED, sunlight, aquarium, tank and so on. | ☀【270° Rotatable Light Sensor】-This photo detector with silicon diode filter, can rotate 270° for every corner and every angle measurement easily, select the optimal measuring angle and get the most accurate reading of lighting levels at the front. | ☀【Ambient Temperature & Light Display】AIOMEST AI-881E multifunctional luxmeter can display environment temp and light at the same time. Different units are optional: ℉/℃; Lux/ FC (Foot Candle) Helps you to adjust the most suitable lights and temp for your plants | ☀【Accurate Foot Candle Meter】-Taking quick samples 2~3 times per second for precise testing, storage up to 33 sets of data records, ambient temperature display, it is great to use this lumens device for continuous data collection, comparison and analysis. | ☀【12 Months Warranty】-Provide with 1 years warranty and lifetime tech support to let you buy freely. This lument tester also comes with storage bag, 1.5V * 2 batteries, screw driver. Very easy to use with Max/Min modes, Bar graph level indicator, Backlit screen