Specifications:
RAM and SD Card: Supporting SD cards with the capacity between 512MB/1GB and 32G
Language: English, simplified Chinese, traditional Chinese, Japanese, Spanish,Russian, Portuguese, Korean, German, French, Italian, Turkish, Malay, Dutch and Indonesian
Battery Specifications: 3.7V/1300mA
Charge Time: 4 hours when charging with adapter
Playing Time: Above 4 hours for normal video playing; generally 2 hours for displaying monitoring image
PC Interface Mode: USB2.0
Video Output Port: RCA
Computer System Supported: Win2000, Win XP, Win Vista WIN 7
Software Update: Supported
Power Supply: Built-in lithium battery, power adapter
Imaging Sensor: 1/3in CMOS
CMOS Total Pixels: Pal 628 x 582; NTSC 510 x 492
TV System: PAL/NTSC
Horizontal Resolution: 380 TV lines
View Angle: 62 Degree
Minimum Illumination:  1.0Lux/ F2.0& 0Lux (IR ON)
Gain Control: Automatic
Receiving Frequency: ISM 2,400MHz~2,483MHz 4CH
Transmission Power: 10mW
Night Vision Range: 7m
Wire Length: 1.5m
Open Distance: 100m
Power Supply: AC-DC Adaptor (DC12V 500mA)
The wireless DVR camera features nigh vision function, HD pictures come from it even in the darkness
2.4G Wireless DVR:
System: PAL/NTSC
Receiving Frequency: CH1: 2.414GHz CH2: 2.432GHz CH3: 2.450GHz CH4: 2.468GHz CH1: 2.414GHz CH2: 2.432GHz CH3: 2.450GHz CH4: 2.468GHz
Power Voltage: 5V
Consumed Current: 250mA-550mA
Receiving Sensitivity: -88dBm
Antenna Input Resistance: 75ohm
Video Output: 1Vp-p
Audio Output Level: 1vp-p
Music Format: MP3, AAC, AMR, WMA, ADPCM, WAV, VOB, APE, FLAC, RM-Audio
Video Format: FLV, MPEG-1, MPEG-2, MPEG-4, H.264, DivX3, DivX4/5/6, RM8, RM9/10, MS, MP41/42/43
RAM: Quick flash memory
Recording and Playing Mode: Normal playing, single music repeated playing, repeated playing of all
SNR: Greater than 85 dB
Screen: 2.5 inch LCD screen
Easiness for Storage: Yes

Package content:
1x DVR
4x 1/3in Cameras
5x Power Adapters
1x A/V Input and Output Line
1x USB Line
1x Earphone
1x 3.7V 1300mA Lithium Battery
1x User's Manual