Features Dual Way Voice Call: This Home Camera Supports Dual Way Voice Call, Built in Speaker And Noise Reduction Microphone, Ensuring Clear Sound Quality Without Delay. Loop Recording: The Robot Monitoring Camera Supports Loop Recording, And Downloading The App Allows for Easy And Fast Video Playback And Loop Recording. Memory Card: This Camera Supports up to 256gb of Memory Storage Card (Not Included), Can Play Videos without A Network, Making It Efficient And Practical. Remote Monitoring: Supports for Android And for Ios System, Wireless Remote Monitoring, Real Time Video Viewing on App, And Authorization for Multiple Viewers. Motion Detection: This Security Camera Has Motion Detection Function, Which Can Follow And Monitor The Movements of Characters, Making It Convenient And Practical. Specification: Item Type: Monitoring Camera Model: K9 Effective Pixel: 1MP Sensor Model: SC1346, JX6401D3L1, IRCUT Lens Focal Length: 3.92mm Lens Aperture: F2.4 Resolution: 1280 x 720 Video Frame Rate (Daytime, Night Vision, HD, Universal): 15-20 Encoding: H.264 Video Angle (Diagonal): 107° Effective Night Vision Distance: Approx. 5-8 meter / 16.4-26.2ft Number of Night Vision Light: 4Pcs 3528 patch 940nm night vision lights WiFi Fixed Frequency: 2.4G Loop Recording Function: Yes Pickup Distance: Approx. 3-5 meter / 9.8-16.4ft Speaker: 8Ω, 0.5W Speaker WiFi Connection Distance: ≥ 30 meters (open and unobstructed) Point to Point Distance: ≥ 30 meters (open and unobstructed) Video Format: MRV Video Memory Per Minute: About 4-5MB USB Port: Mirco USB Charging Requirement (Rated Voltage Current): 5V, 1A Support System and Player: Dedicated Player Memory Card Capacity: Up to 256GB (not included) Operating Temperature: 5-40℃ Operating Humidity: Relative 45%-85% Package List: 1 x Camera 1 x Ejection Pin 1 x User Manual 1 x USB Cable Package List 1 x Camera 1 x Ejection Pin 1 x User Manual 1 x USB Cable