H81 Night Vision Voice Recorder Noise Reduction Audio Recorder HD WiFi Recording Device for Lectures Meetings

• WiFi recorder with point-to-point WiFi, app mobile real-time viewing
• HD 1080P, a key recording, video, photo, support for charging and recording, cycle coverage, maximum support for 256G (card not included), with infrared night vision supplemental light
• With a lanyard, can be hung on the chest
• With a back clip, can be adjusted positively and negatively, clip clothing pockets, schoolbag belts, waist, etc., easy to carry
• Suitable for meeting training, outdoor hiking, cycling, classroom recording, running sports, interview recording, business negotiations
• Can be fixed with a bracket, connected to the computer as a webcam

Specifications:

• WIFI program: Roadcam
• Video format: AVI
• Video resolution: 1920*1080P
• Video frame rate: 30FPS
• Image format: JPG
• Pixel: 4032*3024
• Image ratio: 16:9
• Interface type: Type-C USB
• Charging time: 3-4 hours
• Usage time: battery capacity 1200 mAh, 6 hours of recording alone, 8 hours of recording alone
• Operating system: for iOS/Android, windows 7 or above
• Image sensor: 1/4 inch CMOS sensor
• Minimum illumination: 0.3～0.5Lux (color mode), 0Lux (black and white mode)
• Viewing angle: 90° diagonal
• Night vision: automatic switching of lens sensitivity, 6 940nm SMD infrared lights, illumination distance of 3 to 5 meters
• Compression standard: AVI
• Code rate: CBR/VBR two code rate control modes, and the output code rate range is 128~4096kbps
• Image adjustment: brightness, contrast, saturation, and hue are adjustable
• Input: Built-in -38dB microphone
• Output: None
• Sampling frequency/bit width: 8KHz/16bit
• Compression standard/code rate: ADPCM/32kbps
• Alarm detection: red and blue warning lights
• Rated voltage: DC5V±5%
• Power consumption: 150-170ma
• Working environment: working temperature: -10～50℃, working humidity: <90%
• Standalone weight: 50g
• Storage support: SD (TF) card up to 256GB (card not included)
• Product size: 105mm*30mm*17.5mm
• Screen size: 0.66 inch