Bird Identification Leg Band is made of POM Steel, can withstand extreme weather conditions, cold resistant, heat resistant, frost proof. Chip Type: HT4168. Working frequency:125Khz. Readout Rate: 106KBoud. Reading distance:3-10CM. Operating temperature: -20°C-85°C. Use period: erase>100000 times. save>10years. Data Retention>10 years. 1/2" L x 3/8" W
