Upon sensing an adult intruder, the sprinkler system is activated to broadcast a spray of water to douse, startle, and scare away the intruder. The intruder alarm also provides an audible alarm.Monica MakarovichDonald Kirkham
Desp.: Scarecrow Motion Activated Sprinkler,Motion Activated Sprinkler Animal Repellent It consistently creates a memorable and unpleasant experience through a combination of: sudden unexpected noise/ unexpected movement/ water spray. Features: 1. Metal sprinkler head mounted on a he...
Yard-light motion sensors are a cheap and easy way to add some automation to your haunt. Just hook up power to the sensor, hook the output to an outlet, and you can control anything that runs on 120VAC. But what if you want to control something else? It turns out it’s pretty easy...
detect light ,temp,humi,tamper function Sensing distance 7m Detection Angle 110degree Frequency 868.4MHZ 906.4Mhz 869.2.MHZ 921.4MHz Time Delay no delay, react immedaitely connection z-wave with hearhbeat compatible z-wave hub Fibaro,zipato,vera,homeseer,homey ...
Using the criterion of the minimum costs and losses, the optimum coefficients of non-uniformity in furrow and sprinkler irrigation have been determined. On... Varlev,Ivan - 《Agricultural Water Management》 被引量: 9发表: 1988年 加载更多来源...