Aluminium Alloy Horizontal Single & Twin Chain Window Opener, One Or Two

24VDC safe voltage Push/Pull force upto 1000N Stroke can be customized from 100mm to 900mm Sandblasted oxidative surface treatment Simple and refined design, low noise operation Double link chain working more stably and smoothly Electronic overload cutoff and limit stop Endurance tests (10,000 cycles) are carried out Protection class IP32 Flexible optional installation CE approved, 3 years guarantee\ For automatic operation of awning windows, casement windows, skylights, and curtain wall vents with manual switch or the remote control. With Input sensors like temperature, wind, humidity, rain, smoke Room Thermostat, differential heat, lux, CO2 sensors, gas detectors