All Seeing Light

The All Seeing Light, also called the X-rated X-ray Light in the Tokyopop translation of the manga, is a small, handheld torch capable of shining a beam of light that penetrates clothing; revealing whatever is hidden underneath.
In Chapter 95 of the manga and the Love Hina Again OVA, Su uses this device to reveal Kanako in her various disguises.

Gallery

Items and Terminology Weapons and Abilities Fencing • Kendo • Shinmei-ryu • Jeet Kune Do • Urashima Style of Jujutsu • Pa Ki Ken Living Souls Exchange • Naru Punch • Rock Splitting Sword • Rock Splitting Spirit Sword Anti-Naru Laser • Compliant Rod • Harisen • Hina Blade • Mecha-Tama • Mr Merkaba • Onmyōdō Charms • Proton Packs‎ • RoboKentaro‎ • RoboShirai and RoboHaitani‎ • Shisui • Toy Tanks‎ • Watermelon Smoke Bomb Transportation Amallan Kaollan • Kaolla's Air Balloon • Kentaro's Car • Kentaro’s Vehicle • Mecha-Tama 3 (anime) • Mecha-Tama 4 (manga) • Seta's Van • Seta 02 • Shinkansen • Tram • Yamanote Line Kaolla's Inventions All Seeing Light‎ • Anti-Naru Laser • Countdown Clock • Hot Springs Radar • Kaolla's Air Balloon • Mecha Keitaro • Mecha-Sarah • Mecha-Tama • Mr Cherry‎ • Mr Cherry Ver 2‎ • Mr Merkaba • Mr Shankara • Mr Virtual‎ • Naru Radar • Proton Packs‎ • RoboKentaro‎ • RoboShirai and RoboHaitani‎ • Shinobu's Rabbit • Stealth Suit • Stupidity Detector • Toy Tanks‎ • Turtle Radar‎ Fashion Ahoge • Burglar Mask • Cosplay • Dotera • French Maid Uniform • Fundoshi • Gothic Lolita Fashion • Hakama • Impersonation • Kimono • Leaf Bikini • Lingerie • Naked Apron • Playboy Bunny Suit • Sarashi • School Uniform • Shampoo Hat • Swimsuit • Underwear • Wedding Dress • Yukata Food Bananas • Beef Bowl • Chinsuko • Cooking • Cup Noodles • Dried Squid • Genki Drinks • Habushu • Hiyayakko • Homemade Cookies • Marshmallow Peeps • Miso • Oden • Okonomiyaki • Onigiri • Soba Noodles • Sweet Potato • Takoyaki • Warabimochi • Watermelon Terms and Concepts ABCD • Blood Type • Bondage • BWH Measurements • Chanbara Film • Chikan • Exams • Fanservice • Japanese Bathing • Kissing • Magical Girl • Marriage • Pillow Fight • Pop Idol • Romance Novel • Ronin • Samurai • Sash Pull • Seiza • Seppuku • Watermelon Smash Other Adult Magazine • Arcade Videogame • Archaeology • Bowling • Buddhism • Cherry Blossom • Dogū • Dreamcast • Ema • Engagement Ring • Futon • Godzilla • Eastern Role-play Videogame • Haiku • Haunted House • Hostess Club • Izakaya Restaurant • Journey to the West • Kamidana • Kanako's Favourite Picture • Karaoke • Keitaro's Diary • Keitaro's Mechanicle Pencil • Keitaro's Sketchbook • Kotatsu • Liddo-kun • Love-Love Degree Graph • Manga • Molmol Vase • Naru's Jacket • Naru's Pendant • Naru's Watch • Nyamo's Locket • Omikuji • Onsen • Personality Chart • Phone Card • PlayStation 2 • Preparatory School • Print Club • Red Moon • Rock-Paper-Scissors • Shiisaa • Shinobu's Doll • Shinto • Shishimai • Shishi-odoshi • Shooting Gallery • Special Urashima Gift Certificates • Super Sentai • Table Tennis • Taro Urashima • Tennis • Turtle Civilization • Turtlese • UFO Catcher Doll • Umbrella of Togetherness • Vending Machine • Videogame Console‎ • Wedding Bouquet • Yatai • Yen