Model Number: ZTRD-#4256 Brand Name: Zhongtian Key Specifications/Special Features: Specifications:Input voltage: 220V AC, 50HzMotor voltage: 24V DC with overload protectionMax. Peak pulling force: 300NRated door area: 15sqm

Remote frequency: 433.92MHz

Travel speed: 0.20m/m

Maximum lifting height: 6m

Minimum side room: 135mm/85mm

operating range(open field test): 50m

Memory register: 30 remotes

With CE, RoHS marks

Functions sketch:

• Convenient for debugging and using with a high-degree of automation
• Safety obstruction reverse:Automatic power check function, read the running power automatic and it will stop automatically if obstructed during the process of rising and falling
• Soft starting and soft stoptechnique
• Auto close mode: the opener can be programmed to automatically close approximately thirty seconds after the door has opened.
• Door opener can be self-locked in case of power failure
• Safety and low-voltage of lighting