Learned something new: ADPRO Super Long Range Motion SensorAttended a show & tell type of seminar about a super long range passive infra-red motion detection device. https://xtralis.com/product_vi...
Is it legal to impound my car?In Hong Kong's private road, often times we see warning sign about impounding illegally parked car. Like this one below; the picture was...
Security Survey: Clear Water Bay - Part 2 of 3Part one recap: In part one, we shared and discussed some low quality installation and careless design on floodlights, security cameras,...