... .interference immunity 4.Fast response 1.Basic introductionSNB3230 series, sensor section size is 53 ×35,structure compact,beautiful outlook,mainly be used ... 1 root, 5m/1 root ,Installation fittings/1 set;It is allowed to choose W type controller,at this time ,signal ... type, inside installation,control 1 set light curtain,the powersource is AC220V/110V(terminals) or DC24V; W type, outside installation, ...