the Brightest illumination intensity, the Lightest weight, the Longest operating time, the smallest size the Brightest illumination intensity(32000LUX), the Lightest weight(11g), the Longest operating time(7hours), the smallest size(Dia.1.9x2.1cm), please help us to confirm all of them.Specification ---Light Source: 1 w LED-high efficiency & saving energy,Light Highest Illumination intensity: full variable intensity control,there are 2 kinds of adjusting level for your option.up to 15,000-20,000Lux@ feet (the first level output)-enough,up to 25,000-32,000Lux@ feet (the second level output)-remarketable,Continually Operating Time: up to 7 hours (highest in the first level output)-longest,up to 4 hours (highest in the second level output)-enough,Light Head Surface Temperature : 45 degree centigrade (highest in the first level output)-cool,80 degree centigrade (highest in the second level output)-be careful,Color Temperature: 6000 K(pure white),Illumination Spot Size: 7 cm @ 40mm(appropriate), Light Head Weight : 11g (including mount,not including wire,lightweight),Light Head Diameter: 1.9cm, Light Head Length : 2.1cm(very small size),Battery: 2x1400mAh Rechargeable Lithium-Polymer Cells(only OEM forJapanese brand),Battery Lifetime : Approximately 500 charge/discharge cycles(highperformance),Battery Case Weight : 113g(lightweight),Battery Case Dimensions: 7.5cm x 5.2cm x 2.1cm(small size),Battery charger: 1000mAh, 100-240V AC/50-60 Hz (adapter for all of theworld power supply),Battery Charge Time: 90 minutes for 90% charge(very quick),

Dental led head light , head lamp, Surgical head lamp MP-146