Sealey infrared twin spot laser digital thermometer 12 1 sealey vs905 p this high resolution laser thermometer from sealey is suitable for a wide range of garage and workshop applications p p twin spot laser targeting enables accurate readings by guiding user to the unit s optimum targeting distance when the two laser dots merge into one the unit is reading a 13mm disc of temperature this makes the unit especially suited for work where space is at a premium and where accurate focus on