mm lens, Double glass Availability waterproof IP65 Suit indoor and outdoor set up. Availability Detect distance 35~50m. Collocate 8mm lens Double glass, Inner 36pcs D8 IR LED, suit 24 hours surveillance. Adopted high rigidity aluminum case, availability waterproof IP65, suit indoor and outdoor set up.Use double glass partition to seclude the lens & IR LED to Solving mirage and astigmatism state. ...