Descirption: brand new and high quality Features: Large transmitting power, independent antenna with wide application range. 2000 Meters long transmission distance, no directionality, high transmission sensitivity without signal blocking. Powered by a large-capacity 9V 6F22 battery to truly achieve low power consumption standby. Adopts high-performance and waterproof design makes it perform excellently in harsh environments such as high oil pollution and high humidity. Application in various fields such as remote control electric shutter doors and for windows, parking lot barrier control, industrial control products cranes, tailgates, large trucks, lifts, etc. Specification: Item Type: Industrial High-power Remote Control Material: Plastic Size: Approx. 15x3 for cm/5.91x1.18 inch Working Frequency: 315MHz Wireless Remote Distance: 2000m Working Voltage: 9V 6F22 Battery Type: 2-keys/4-keys(Optional) Notes: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1x Industrial-grade High-power Remote Control