Features: 1.The marking on the panel is laser engraved, never fade. 2.Easy to use, press to close, release to reset. 3.Made of high quality material, durable in use. 4.Suitable for being installed on hollow door frame and embedded electrical box. 5.Widely used in doors, exits, gates and automatic control. Specification: Features: 1. The marking on the panel is laser engraved, never fade. 2. Easy to use, press to close, release to reset. 3. Made of high quality material, durable in use. 4. Suitable for being installed on hollow door frame and embedded electrical box. 5. Widely used in doors, exits, gates and automatic control. Specification: Condition: 100% Brand New Panel Material: Stainless Steel Button Material: Alloy Panel Process: Wiredrawing Processing Electrical Performance: 3A 36VDC Contact Output: NO/COM Installation: Concealed Installation Durability Test: One hundred thousand aging test is qualified Color: As Picturtes Shown Panel Size: Approx. 91 * 28mm/3.6 * 1.1in Install Holes Distance: Approx. 66mm/2.6in Back Connect Parts Height: Approx. 32 * 15mm/1.3 * 0.6in Weight: Approx. 33g Package list: 1 * Switch 2 * Screws Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.