Features: _x000D_1. The unique appearance is beautiful and generous. It has a continuous adjustment function of two-stage speed and good speed stability. _x000D_2. It has significant economy and good door closer performance _x000D_3. Suitable for 35-60 kg security door using. _x000D_4. Double-stage speed regulation, closing speed and locking door speed can be adjusted, regardless of left and right doors _x000D_5. Can be used for one-way opening door leaf, left opening door and right opening door, suitable for door fans of various materials _x000D_ _x000D_Specification:_x000D_Closed Door Speed: 180-20, Adjustable _x000D_Locking Speed: 20-0, Adjustable _x000D_Weight: Approx. 1409g / 49.7oz _x000D_Size: Approx. 17.5 * 7 * 4cm / 6.9 * 2.8 * 1.6in _x000D_Height: Approx. 24cm / 9.4in _x000D_Adjustable Height: Approx. 21cm / 8.3in _x000D_Width: Approx. 6cm / 2.4in _x000D_ _x000D_Package List: _x000D_1 * Door Closer 1The unique appearance is beautiful and generous. It has a continuous adjustment function of two-stage speed and good speed stability. 2It has significant economy and good door closer performance 3Suitable for 35?60 kg security door using. 4Double-stage speed regulation, closing speed and locking door speed can be adjusted, regardless of left and right doors 5Can be used for one-way opening door leaf, left opening door and right opening door, suitable for door fans of various materials