Equipped with a 3500mAh rechargeable battery, the parent unit offers up to 16 hours of video use, or 30 hours in power-saving VOX mode.Enjoy 100% privacy with a secure 2.4GHz connection—no WiFi or app needed.Features include: Two-way talk for real-time communication Auto night ...Equipped with a 3500mAh rechargeable battery, the parent unit offers up to 16 hours of video use, or 30 hours in power-saving VOX mode.Enjoy 100% privacy with a secure 2.4GHz connection—no WiFi or app needed.Features include: Two-way talk for real-time communication Auto night vision for clear viewing in the dark Remote pan (318°), tilt (120°), and zoom for full room coverage VOX mode to save power and alert you only when sound is detected A perfect choice for keeping your baby safe, day and night.