Easy to use: Just point & shoot. Point your target, press the red button and magic will appear . Self-timer function - 60-day battery life: high performance lithium ion battery, 1300mAh, 3.7V nominal Voltage, 4.81Wh High-quality lens: Optical grade Polycarbonate and Acrylic lenses - Fixed focus lens: 0.6m—infinity - Field of view: 41 degrees vertical and 40 degrees horizontal Powerful built-in flash, Flash System: Vacuum discharge tube strobe - Shutter system: Custom design, using precision step motor for shutter One-step 2 camera - Neck strap Just needs a charger