The product name Smart cabinet lock Product model M858 Password lock The front panel material Stainless steel Front panel size 100*52mm The color of the front panel Golden、Silver、Rose gold Working mode Credit card、Touch screen password The type of card mifare、It is waterproof Unlock mode Single unlock、Combine to unlock The operating mode Permanent mode、Temporary mode The way the power is supplied Four or five alkaline batteries Voltage range Six V Emergency power supply Headphone jack Low-pr essure alarm Below 4.8V Battery life Normal continuous opening 600000times The size of the rear lock body 138*66*24mm The rear lock body material "304 stainless steel,ABS flame retardant plastic material" Rear lock body function Anti-pry function ,telescopic function Ambient temperature -Thirty℃~Sixty℃ Relative humidity Five%~Ninety-five% The door thickness is applicable Sixteen----Twenty-two mm Product warranty One-year warranty Packing list "One front panel、One rear lock body、 One door buckle box、Screw a pack、 One hand、A copy of the instruction manual One certiflcate of conformity "