Waterproof. Can be used outside, under the rain directly. Sun protection. Can be used even at very bad weather. Suitable many kinds of access control, fingerprint access control, RFID keypad, which length is less than 13cm, width is less than 8cm. Rainproof Cover : This waterproof shell is suitable for fingerprint device, access controller, standalone rfid door access controller, which length is less than 13cm, width is less than 8cm. colour:black Material:plastic Outside: 15cm x 10.4cm x 9cm (L x W x H) Inside: 13.5cm x 8cm Package Contents: 2 x Waterproof Cover Only the above package content, other products are not included. Note: Light shooting 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.