... scanner:Features:Metal material, anti explosion, can be used for entrance guard,cabinet and safe; Optical fingerprint sensors have the ... DC 3.6~6.0VCurrent supply: 100ma( working current) / 150ma ( peak current)Time for logging image: less than 0.5 sAcquisition area: ... validated at the same time. Performance indicators:Load capacity:<300mAWorking current: <150mAPower voltage: 4—12V(batteries:4—6V ,AC:7 ...