The device fire alarm heat detector is intelligent sensors that utilize a state-of-the-art thermistor sensing circuit for fast response.These sensors are designed to provide open area protection with 50 foot spacing capability. 

The device is a rate-of-rise temperature sensor with 135°F fixed temperature alarm. thermal detector utilizing a state-of-the-art dual thermistor sensing circuit. 

These detectors are designed to provide open area protection with 50-foot spacing capability, and are to be used with compatible control panels only. Two LEDs on each detector light to provide 360° visibility of the detector indication.

Q1: How about the quality of the products?
A: We produce every product with good quality materials, and test carefully to make sure stable quality before shipment.

Q2: Can I have a sample order?
B: Yes, Of course you can . we welcome sample order for your testing and checking products quality.Mixed samples are avaliable.

Q3: What is the shipping time?
C: Small Qty order needs 3-5 working days, big Qty order usually needs 10-5 working days after payments arriving. That"s depends on order Qty.

Q4: How to proceed the order if I have logo to print?
D: We will prepare artwork for visual confirmation at first, if the color and position are alright,we will make print Logo sample from silk print factory and take picture for you to comfire before mass production.