such as arms

S 68-76cm M 77-83cm L 84-90cm XL 88-94cm

this cutting-edge headband offers a seamless connection to your brain

and instrument training

AHD HD Waterproof Camera Color:Black such as armsShell material: ABS plastic waterproof Lens type: fixed lens Irradiation distance of infrared light: 30m (infrared night vision) Power supply: DC 12V 2A Rated power: 6W Output interface: BNC video interface, DC power interface Electronic shutter: 1 50~1 10000s Main signal to noise ratio: >52db Working temperature: 35 69 Minimum illumination: color 0. 01LUX, black and white 0. 001LUX Video output: 1Vp p 75 Video system: PAL system Image quality: 720P