First, the design purposes: 
 1, mainly designed for smaller windows on / off, volume is relatively small and exquisite; 
 2, the installation is more hidden; lower mechanical noise; 
 3 is more suitable for quiet work or living environment, especially suitable for home installation; 
 Mainly applicable to small on / under the overhang of the windows, even the side windows open on / off; 
 5, with fire feedback signal in place by the window. 

 Second, technical parameters: 
 1, the use of power: AC220V/0.1A DC24V/0.5A, DC48V/0.2A 
 Power rating: 20W 
 3, the push and pull force: 250N 
 4, speed: 15mm / s 
 5, Noise Level: <20dB 
 6, protection class: IP30 
 Stroke specifications: 150-360mm 
 8, stroke protection: electronic mode 
 Dimensions: 360 * 50 * 36mm; anti-bend chain L * 13 * 12 
 10 Material: zinc-based alloys, color: light silver 
 Window machine www.chinajjsd.com