Si Sensor Power Meter with Bluetooth and USB Operation, 400 - 1100 nm, 10 nW - 200 mW
You can find the current prices belongs to Thorlabs - PM160 coded product. You can ask all the codes and references except PM160 too. It distinguishes with price and quality among the similar products. It produced result of tests of laborotory for years. PM160 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.
