Dual Lights for Quad Efficiency: The Trinity i15 Pro IPL hair removal features a 4.2 cm² light window with Dual Lights, emitting 4x the effective energy compared to single-pulse light hair removal technology. The dual lamps cover a 40% wider treatment area, combined with uniform energy distribution, you can perform full-body sessions in just 5-10 minutes without causing skin irritation or redness Sapphire Ice-Cooling for Unparalleled Comfort: The industry's largest 16.6 cm² sapphire ice-cooling window instantly cools the contact surface to 35°F and maintains 53°F ice-cooling touch for up to 60 minutes of continuous use. The flake-shaped sapphire covers a larger treatment area, ensuring deeper energy penetration into the hair follicles while delivering comfortable full-body sessions Quadruple-Pulse for Stubborn Hair: Farewell to traditional single-pulse light hair removal technology. The innovative PHR mode boasts a stunning total energy output of 27J per 4-pulse burst. Equipped with 400 flashes per minute, you can experience 97% hair reduction and slower hair regrowth after 2 weeks. This IPL laser hair removal with Effectively targeting stubborn hair including men's armpits, chest and legs AI-Powered for Personal Beautician: The AI-driven hair removal device offers a four-stage scientific plan: Step-by-step guidance intelligently adjusts energy levels and flash modes based on your skin tone, hair density, and treatment area; personalized full-body treatment; precision reminders for consistent sessions; results tracking with instant AI analysis reports for permanent hair removal Ergonomic Design for Safe Use: 30-degree ergonomic angle, uniform energy distribution design, special for bikini line, underarms, and lower legs use. Choose from 15 sensitivity levels or energy-boosted PHR mode according to hair thickness and the sensitivity of your skin, you can enjoy safe, fast, and effective hair removal solution from head to toe