150ft actually Wireless transmission distance.  12 IR LEDs see 20ft in the dark. 4 wireless cameras and a receiver. 2.4GHz   Tetrad Wireless Security cctv CMOS Camera & Receiver
Features
This wireless camera set includes 4 wireless security cameras and a receiver, so it is more convenient to monitor 4 rooms at the same time. Also these cameras have waterproof and night vision function. You could put indoor and outdoor. Always China wholesale price
• Wireless Camera 12 IR LEDs see 20ft in the dark
• Night vision and weather proof for ourdoor usage
• Min 100m transmission distance without block
• For monitoring children,elders and widely used theft prevention,after-hours surveillance,home security

Specifications

• Electronic shutter: 1/60 1/15,000 second.
• Transmission distance: 50-100 M (line of sight, reduced through obstacles such as walls).
• Color support: YES
• Audio support: YES
• Water-resistant: YES
• Camera Sensor : CMOS
• Total Pixels : 510 x492(NTSC) 628 x582(PAL) Pixels
• Horizontal Resolution : 380 TV Lines
• Lens : 6.0mm
• Minimum Illumination : 0Lux(IR ON)
• Video Gain Control : Automatic
• White balance: Automatic
• Wireless frequency : ISM 2,400~2,483 MHz 4CH
• Wireless bandwidth : 18 MHz
• Power Supply :CAMERA DC 12V ; RECEIVER 5V DC
• Night Vision Range : 26ft

Manufactured under

• CE

Package Contents

• 1 x Tetrad Wireless Security CMOS Camera & Receiver
• 5 x Adapter
• 1 x Battery Clip
• 1 x AV Line
• 1 x User's manual

Packaging Details

• Product weight: 2.20KG
• Product size: 33 x 21 x 7CM