Giddel Scrubs Hard To Reach Places - The Rim, The Inner Rim, Under The Rim, The Entire Bowl Down To The Exit. Efficacy Tested By SGS. Giddel Cleans A Dirty Toilet Without Getting Dirty. Antimicrobial Plastic Body. Compatible With Any Toilet Bowl Cleaner, Fits Within Smaller Toilets, Yet Extends To Reach Larger Ones. Has Memory-Touch Technology. Portable – One Robot Cleans All The Toilets In Your Home. Has Collision Avoidance - Safe For All. Tested Under Lab, Conditions To Clean 3 Toilets Once A Week For 3 Years. Certifications: CE Mark, BC, FCC, IC, ROHS, UN 38.3. Easy To Install, One-Time Set Up. Water Resistant For Electrical Safety, Durability, Can Withstand Acidic Conditions Created By Toilet Bowl Cleaners.