Sonoff DW2 RF

Feature: 1. This product is a 3.7GHz microwave induction mobile module, which can effectively detect objects moving inductively. 2. The module has a main control chip with a built-in high-precision al more→gorithm unit, which can effectively filter out environmental interference. 3. Good stability, strong anti-interference, wide sensing range and high sensitivity. 4. The control signal output delay time is adjustable and accurate. 5. An externally connected photosensitive diode prevents the product from working during the day (it can also be adjusted to work during the day). 6. The induction penetrating force is strong, and it can penetrate wooden board, glass, wall, etc. (metal cannot penetrate).…

Feature： 1. Card Reader Type： TK4001, EM4100 and other ID cards, USB interface free drive, plug and play. 2. Material： Acrylic shell, with high temperature resistance, low cold resistance, simple and more→beautiful shell. 3. Fast Reading： Non contact card reading is fast, convenientfasttime saving, card reading speed

Description: This is a RFID card reader has advantages of high sensitivity, low working current and high performance. Wide application, suitable for all kinds of RFID application such as access contro more→l, attendance and so on. Features: 1. High sensitivity, low working current and high performance. 2. 125khz RFID ID(EM4100) card reader with USB interfce. 3. Easy to use, plug and play. No need to download any drivers. 4. Wide application, suitable for all kinds of RFID application, such as: access control, attendance, security and so on. 5. Made of high quality material, durable for use. Specifications: Support: for all 125Khz RFID EM4100 Card Frequency: 125Khz Working Voltage: 5V Operating Current: …