nightlight - massachusetts institute of...
TRANSCRIPT
NightLightSafety in the palm of your hand
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37% of Americans do not feel safe walking
alone at night
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NightLight
NightLighta non-lethal security device to protect those in need
cost & buyer
Personal Defense Weaponslegality: low | safety: high
$10-30
Companion Appslegality: high | safety: low
$72/year
cost & buyerPersonal Defense Weaponslegality: low | safety: high
$10-30
Companion Appslegality: high | safety: low
$72/year NightLightlegality: high | safety: medium
$40
need attribute specWeight
Size< 10 oz
< 6”x3”x.5”
Increase vision Luminous Flux > 200 Lumens
1-2 hours
5 - 15 min
Luminous Intensity
Runtime
Runtime
Flashlight lasts entire walk homeStun light lasts entire altercation
Disorients attacker > 725 Lux at 2 meters
Portability
small form factor
relative brightness in a night environment
what we tested
iPhone 11 Candle
Light Bulb NightLight
*taken using Nikon D610 at 1/200s, ISO 100 and F16
decrease size and weightdetermine minimum luminanceconduct safe human trialsirregular altercationsabuse of product
challenges
next stepsRefining current prototype
mass production working on weight and form factor
Adding auto-dial feature to contact emergency servicesAdding sound to attract attention to the sceneMarking assailants with ink for easy identification