Features: 1. Extended The Viewing Angle Range Of for Mini 3 Pro Photo Mode From 81.5 To 114, 2. Expand The Viewing Angle Range Of The Recording Mode (16: 9) From 75 To 100. 3. Cover The Vast Scenery With A Perspective, 4. Record Every Moment Brilliantly. 5. Easy To Operate And Easy To Use Description:1. Viewing Angle Range (): 114 For Mode, 100 For Video Mode (16: 9). 2. Compatible Product: for Mini 3 Pro size: 2.2 x 1.6cm Material: Plastic + Optical Glasscolour: black Package Contents:1 x Widening mirror Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.