Feature: 1. WIDELY APPLICABLE: Place the receiver controller on TV, sofa, window, etc., and control their lifting by linear actuator controller. Compact and portable size, easy to use and operate. 2. EASY TO INSTALL: Professional linear actuator controller is easy to install, with reverse connection guard, both ends can be directly connected to use. 3. WIDE RECEPTION DISTANCE: Linear actuator controller has wide transmission distance, 30 meters in open space, the receiver sticking to the ground or sticking to the metal surface will affect the reception distance. 4. CODING METHOD: Professional linear actuator controller adopts intelligent microcontroller coding, each remote control is unique code. Simple operation, easy to use. 5. PREMIUM MATERIAL: Professional electric sofas remote control is made of premium ABS material, which is sturdy and durable, not easy to be damaged and has a long service life. Specification: Item Type: Linear Actuator Controller Material: ABS Weight: Approx. 155g/5.5oz Working Voltage: 29V Working Current: 13MA Static Current: Less Than 5UA Operating Frequency: 2.4G Remote Control Size: Approx. 14.5x4x1.5cm / 5.7x1.6x0.6in Remote Control Battery: 2 AAA Batteries (Not Included) Working Distance: 30 Meters in the Open Space (The Receiver Sticking to the Ground or Sticking to the Metal Surface Will Affect the Receiving Distance) Coding Method: Using Intelligent Microcontroller Coding, Each Remote Control Is a Unique Code. Package List: 1 x Remote Control 1 x Bracket 1 x Controller Note: 1. The product cannot be installed in a metal box, otherwise the reception distance will be seriously affected or the remote control will be completely out of order.2. Manual measurement please allow some error.