Product Name: Ophthalmic Slit Lamp Handheld and Portable with LED Bulb Ce and FDA Model NO.: s100 Principle: Optics Usage: Teaching, Research Mobility: Portable Magnification: 5X Trademark: SHTOPVIEW HS Code: 9018500000 Product Description S100OphthalmicHandheld andPortableSlit Lamp with LED BulbCE and FDASpecifications:Magnification5XLength of slit5~11mm(stepless)Minimum width of slit0.5mmWorking distance12~32mmPower supplyAA alkaline batteries *2 (more than 3 hours working life)Batterylifemore than 3 hoursFeatures:1.Ultra-portable: the ultra-portable is an excellent diagnostic instrument for examination of anterior segment structures and ocular abnormalities.Its easy-to-operate optical system produces a high-brightness,continuously adjustable slit image ideal for prediatric and geriatric setting,emergency department screenings,ward rounds,beside exmination,post-op evaluations and mission work;2.LED illumination: the first and the only portable slit lamp in the world applying LED illumination system.The most prominent advantage of our LED illumination system gives examiner the clearest image without glare;3.Comfortable using experience: The low heat radiation from our LED lamp makes the most comfortable examine experience for the patient;4.Sharpest Slit: With the blade imaging system gives equally sharpest slit as the best classic slit lamp in the world;5.No need to replace illumination lamp: The LED lamp used in S150 portable slit lamp is rated 20,000 hours at full power.Its life time is almost 10 times longer than normal halogen lamp;6.Power-saving: can work for long hours without changing batteries.