Specification: Connection: Wireless WiFi Pixels: 300W pixels Lens diameter: 15-20mm Battery capacity: 200mAh Input current: DC 5V Charging time: 1 hour Image transmission rate: 30fps Features: Rapid WiFi visual connection. No app required to start. Uses optical lens and high-performance 300W pixel CMOS sensor for clear imaging. 20X magnification of ear canal with 55-degree viewing angle. 13-lens combination and 6 LED lights. IP67 waterproof lens, washable. Adapts to dry ear, oily ear, and other complex environments. 3-axis smart directional gyroscope for quick positioning, stable screen without tilt or shake. High-end OV chip video coding technology for hand-eye synchronization. Strong WiFi signal with good penetration to minimize delay. Multiple safety protections: earpick head buckle, overheating protection, automatic shutdown timer, child lock, and anti-cracking protection. Smart constant temperature control to prevent low-temperature discomfort and overheating. Otoscope tip maintains 25°C non-inductive temperature; earpick body maintains 32°C palm-like temperature. Long-lasting performance: built-in 250mAh large-capacity battery. With weekly 10-minute usage, lasts approximately 30 days.