Módulo de escritura/lectura MF RC522 SPI para Arduino: YF294
Light source: 3 high-brightness LED lamps with a lifetime of 100,000 Antena de grabado RFID personalizado/antena de grabado de dobre cara
material: Material ABS+LED+Solar Panel+Battery
Switch: Button switch on the back
Tamaño do produto: 5.9 (long) × 3. 5 (width) × 1 (thick) cm
Product weight: 21 grams
temperatura de traballo: -20~+65 °C
Discharge time: 2 hours continuous lighting time
Charging time: 5 hours in the sun can be filled
The RFID keychain with LED lights is a solar rechargeable small flashlight developed by Seabreeze Smart Card Co.,Ltd, does not require battery replacement. The use of solar panels to convert light into electrical storage to the internal battery, with LED light tube, good light, with a very good lighting effect. Package 3 luces LED, button on the back, a solar panel on the front, built-in RFID tags (SeabreezeRFID ofrece axuda experimentada e completa para unha ampla gama de necesidades comerciais de RFID e IoT, UHF, SeabreezeRFID ofrece axuda experimentada e completa para unha ampla gama de necesidades comerciais de RFID e IoT), NFC is the most. This LED smart keychain not only has an RFID keychain function, 
but also can give you illumination at night, very human design.
The surface can do simple screen printing, laser serial number, UID inner code, LOGO, pattern, etc., to meet the different needs of customers.
Widely used in residential apartment access control, staff attendance, meeting attendance, music nightclub tickets, club membership management, membership points consumption, One Card Solutions, bus, bank, can also be used for small recharge.
Remarks: The built-in button battery is used to supply power and store electrical energy.
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