Cheap best selling magnetic roll ball switch

Cheap best selling magnetic roll ball switch   Product Description   Magnetic wireless sensor is used to control the penetration into the room through doors or windows. This is one of the most frequently used sensors to protect your home and office and premises.
The sensor consists of two parts: a radio, which also placed a reed switch with open contacts, and a magnet which is able to close the reed switch contacts. The radio module is attached to the door / window frame. A magnet mounted on the door / window; so that it is in the closed state turned and locked radio opposite reed contacts (the gap between the parts may not exceed 10-20 mm). When opening the door or window they are removed from each other, which leads to the triggering of the sensor. When triggered, the alarm LED lights up and the central unit GSM-alarm is sent to an alarm. LED also warns about the need to replace the battery with a constant glow.
The set includes two plates are double-sided tape, with which you can easily perform the installation of the sensor in place.
Specification of magnetic roll ball switch
Consists of two parts, triggered when a gap between the parts of more than 10-20 mm
Operating frequency of the 433 MHz
The range of the radio signal (in open space): 150 m
    Supply voltage: 12 V (battery type 23A)
    Battery life: 2 years
    Operating temperature: -15 to +50 degrees. From
    Dimensions: radio - 70 x 37 x 16 mm magnet - 65 x 13 x 13 mm
    Weight: 50 grams Pictures of magnetic roll ball switch   Accessories List Wireless Accessories List Wired Accessories List   Network Diagram   Company Information Office and Showroon Assembly Line Products Certifacation   Packaging & Shipping Neutro-packing Carton Box Our Services   FAQ Q: 1. Can I have a sample order? A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable. Q: 2. What is the lead time? A: Sample needs 1-3 days, mass production time needs 10-15 days for order less than 5000 pcs. Q: 3. Do you have any MOQ limit? A: Our MOQ EXW is 100 pcs under neutral gift box; MOQ FOB is 1000pcs. MOQ for OEM is 1000PCS. Q: 4. How do you ship the goods and how long does it take arrive? A: for samples, we usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. for cargos, you can choose sea or airline service by your needs. Q: 5. How to precede the order if I have logo to print? A: Firstly, we will prepare artwork for visual confirmation, if the color and position are alright, we would make sampling first from silk print factory and take picture for your second confirmation before mass production. Q: 6. Do you offer guarantee for the products? A: Yes, we offer one year guarantee for the products. Q: 7. Do you accept drop shipping? A: Yes, it’s available. magnetic roll ball switch