Working voltage: DC12V Working current: Less than 100 mA User capacity: 15000 Net weight: 80g Ambient temperature: -20 to 60 Card read distance: 1-10cm Set the card: Step 1: Power off, connect S1 jumper cap between pins 2 and 3, then power on. Wait for the green light to flash three times. Step 2: Swipe two consecutive blank cards (first card to add, second card to delete). The red light will flash rapidly during this process. Step 3: Power off, reconnect the jumper cap between pins 1 and 2, then power on to complete setup. Add or Delete users: Add user: In standby mode, swipe the "add card", then swipe the user card to be added, then swipe "add card" again to exit. Delete user: In standby mode, swipe the "Del card", then swipe the user card to be removed, then swipe "Del card" again to exit. Delete all users: In standby mode, swipe "Del card", then swipe "add card", then swipe "Del card" to exit. Note: Due to different product batches, appearance may vary slightly. This does not affect functionality. Type: 125KHz RFID Version Color: As shown Material: PC + Metal Package Contents: 1 x Access Control Module Kit Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error is +/- 1-3 cm. Only the above package content is included; other items are not part of the package.