Professional LED photometer The AP-881D offers a wide measuring range from 0.1 to 400,000 Lux / 1 to 40,000FC. Whether you are a photographer, designer or plant lover, the AOPUTTRIVER photometer will meet all your requirements. Leveling accuracy 4% rdg 0.5% fs (minus 10,000 Lux; 1000 FC) / 5% rdg 10 dgt (over 10,000 Lux; 1,000 FC); Resolution: 0.1 Lux / 0.01 Fc; 0.1 - 400,000 Lux / 1 - 40,000 FC; Measuring speed: 2 times / second. 270 degree rotary detector Keep an eye on the light level anywhere in the room; The light meter sensor can rotate 270 degrees, so you dont need to move the light meter, you just need to rotate the degrees to measure the light you need. Multifunction and easy to use Fast response, auto zero, peak data hold and data hold switches, low power consumption, MAX / MIN hold, relative value, / switch, with LCD backlight. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-58488 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please dont hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it