?Customer Service?1 year warranty, 90-day money back guarantee. If our cell phone adapter does not work with your optics device, or you are not clear about how to use it, please contact us for help, we'll reply to you within 24 hours. ?Safe & Lightweight?The surface touching with phone and eyepiece is covered by soft EVA pad, that prevents your device from being scratched or damaged. Both the body and the phone clamp are made of high strength plastic, lightweight, not fragile. ?Applicble Phone Width Range?Fits the phone width range is 55-85 mm / 2.16-3.35 inch, such as iPhone, Samsung etc. May NOT properly fit Pixel series, Samsung Galaxy S20/S21/S22 series, because the volume and power button on these phones are on the same side, which may cause the phone clamp wing to squeeze the side button. If your phone with armored case or bulky case, remove it to ensure the phone fits in the phone clamp well. ?Applicable Eyepiece Range?ONLY fits the outer diameter range of the eyepiece is 22-44 mm / 0.87-1.73 inch. For the microscope, astronomical telescope, binoculars, monocular, it works with the most models. For the spotting scopes, only works with few models, not for Vortex Razor / Viper / Diamondback, Kowa TSN, Leupold SX etc, so please measure the outer diameter of your eyepiece before ordering. (or choose the big version Bluesky V1-L,V-M2). ?Enjoy Exploring Fun?With Vankey plastic cell phone telescope adapter - TMP09, connect your phone with telescope or microscope to explore far beautiful scene and amazing micro world.Weight: 2.5 Ounces. Vehicle Service Type: Automobile. Material: Plastic, Ethylene Vinyl Acetate. Special Feature: Lightweight. Mounting Type: Tripod. Compatible Devices: Smartphones. Brand: VANKEY. Date First Available: October 18, 2018. Country of Origin: China. Manufacturer: VANKEY. Color: Black. Special features: Lightweight. Is Discontinued By Manufacturer: No. Best Sellers Rank: #12 in Telescope Photo Adapters. Customer Reviews: 3.8 out of 5 stars 1,174 ratings 3.8 out of 5 stars. Item model number: TMP09. : B07JW9KHZ2. Item Weight: 2.5 ounces. Package Dimensions: 6.1 x 2.8 x 1.8 inches.