[Adjustable Horizontal ] Designed with a rotating horizontal this accommodates mobile phones ranging from 55mm to 98mm in width. the adjustable mechanism ensures a snug fit for various phone sizes providing versatility for different devices without compromising stability. [Sturdy Phone Card Slot] Featuring a durable mobile phone card slot and horizontal adjustment knob this bracket ensures your device stays firmly in place. the adjustable width mechanism allows for easy customization providing a secure grip for your phone during extended use. [Secure Spiral Lock Design] Our telescope phone features a robust spiral line mechanism that firmly locks the eyepiece center via the light outlet hole ensuring stable connections between your phone and monocular or binoculars. this precision design enhances photography quality by preventing slippage during use. [Versatile Eyepiece Interface] The rotating eyepiece interface and mobile phone lens interface support sizes from 26.4mm to 46.4mm making it compatible with most telescopes and phones. this flexibility allows you to images through your telescope effortlessly. [Precise Fixing Knob] Equipped with a fixing knob this securely holds the handle in place while the adjusting handle fine tunes the position of your mobile phone lens. these features enable precise alignment for optimal photography results every time.