ITEM NAME:DS18B20 Digital Temperature Sensor module Sensor module for Arduino D1F2 DS18B20 Digital Temperature Sensor module Sensor module for Arduino D1F2 It's easy to install with mounting holes, hole diameter 2.5 m. Digital signal output 18B20 Temperature Sensor Chip Display resolution adjustment ranges of 9-12 bytes. Temperature ranges: -55 Â ° C to + 125 Â ° C, with an accuracy of 0.5 Â ° C. Size: 28x12x10mm Color: Black Operating current: 5VDC Weight: 2g package included: 1 x DS18B20 digital temperature sensor module Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm..Digital signal output 18B20 Temperature Sensor Chip. Temperature ranges: -55 Â ° C to + 125 Â ° C, with an accuracy of 0.5 Â ° C. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.