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1 Products availableThe LED lamp connected to the output of the IR Sensonr switch will trun ON when the hand pass over the IR switch within 10cm in distance, and will turn OFF when the hand pass over again. The sensor switch will turn ON or OFF with above repeatable steps Function: The LED lamp connected to the output of the IR Sensonr switch will trun ON when the hand pass over the IR switch within 10cm in distance, and will turn OFF when the hand pass over again. The sensor switch will turn ON or OFF with above repeatable steps.
New version 20LED smd outdoor motion sensor solar led outdoor wall light
Measured or otherwise detected, and the passage of heat energy into or out of the space is adjusted to achieve a desired average Temperature.
A float switch is a device used to detect the level of liquid within a tank. The switch may be used in a pump, an indicator, an alarm, or other devices.
A very common application is in sump pumps and condensate pumps where the switch detects the rising level of liquid in the sump or tank and energizes an electrical pump which then pumps liquid out until the level of the liquid has been substantially reduced, at which point the pump is switched off again. Float switches are often adjustable and can include substantial hysteresis. That is, the switch's "turn on" point may be much higher than the "shut off" point. This minimizes the on-off cycling of the associated pump.
float switches contain a two-stage switch. As liquid rises to the trigger point of the first stage, the associated pump is activated. If the liquid continues to rise (perhaps because the pump has failed or its discharge is blocked), the second stage will be triggered. This stage may switch off the source of the liquid being pumped, trigger an alarm, or both.
detects natural gas, lpg, and coal gas etc. Combustible gases.
specificationPhotoelectric Smoke Detector EL-S01, Properly installed and maintained. Residential smoke alarms, are one of the best and least expensive ways to provide an early warning when a fire begins. Smoke alarms save lives, prevent injuries and minimize property damage by alerting resident early to a fire hazard.
Specification:Mini size smoke detector
Photoelectric Sensor
9V battery operated
Low battery warnning indicator
Two tone LED light display, Flash alarm indicator (red LED) , Power indicator (blue LED)
Auto Test button for easy recommended monthly testing
Ceiling or wall mounted
Suitable for any rooms
Loud 85dB alarm signal