<p>1. Working voltage: DC12V 2. working current: Less than 100 mA 3. user capacity:15000 4. Heavy volume:80 g 5. Ambient temperature:-20℃ to 60℃ </p> <p>Card read distance:1-10cm Set the card: Step 1: power off, connect S1 jumper cap 2, 3, side, back to electricity, three nights after the green light flash. : brush two consecutive blank card (the first one to increase the card, the second delete card), the red light flashing, continuous short at this time. Step 3: power off, reconnect the jumper cap 1, 2, and finally to electricity, card increase. Add or Del users: Add user: in standby mode, brush &quot;add card&quot;, then brush to add user card in a row, then brush &quot;add card&quot; to exit Delete users: in standby mode, brush &quot;Del card&quot;, then brush to remove user card in a row, then brush &quot;Del card&quot; to exit Delete all user: in standby mode, brush &quot;Del card&quot;, then brush &quot;add card&quot;, then brush &quot;Del card&quot; to exit. Due to different product batches, the appearance may be different, which does not affect use. Type:125KHZ RFID Version Colour:As Shown Material:PC+Metal </p> <p>Package Contents: 1 * Access Control module Kit </p> <p>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. </p>