Place of Origin: China Brand Name: OEM Model Number: MT-P110 Power Source: Electric Warranty: 1 Year After-sale Service: Online technical support Material: metal, Metal, Fiber Optic, Optics lens Shelf Life: 2 years Quality Certification: ce Instrument classification: Class I Safety standard: None Type: Visual Acuity Examination Apparatus Advantage: protable Color: white accept: Accept OEM MOQ: 20pcs Samples: Available Application: Ear, Eye Packing: 1set/carton logo: Custom printed logo