Feature 1APPLICATION: Button remote control is suitable for remote control switch, burglar alarm, remote control door lock, remote control electric rolling shutter door and window, industrial control products, etc. 2SENSITIVITY: Wireless copy remote control has a signal range of 50100 meters, the sensitivity of the receiving device in the open environment 100dbm. 3EASY TO REPLACE THE BATTERY: Round remote control is very easy to replace the battery, open the back cover can be, equipped with three CR2016 batteries. 4TRANSMISSION DISTANCE: Round wireless remote control in a relatively large wireless interference environment, the transmission distance may be shortened. 5COMPACT AND CONVENIENT: Wireless copy remote control switch small size and light weight, easy to use, suitable for home, corridor, office, garage.SpecificationItem Type: WirelessCopyRemoteControlMaterial: ABSOperating Frequency: 433 MHzWorking Method: CopyHousing Material: ABSOperating Voltage: DC3VStatic Current: 0.1uATransmitting Current: 7.1mATransmit Power: 36dBmLearning Code: 1527, 2240Remote Distance: 50100m/54.7-109.4yd (in The Open Environment, The Sensitivity of The Receiving Device Is 100dbm)Battery Type: Button Battery (Shipped with Built in Battery)Battery Model: CR2016Battery Capacity: 200mAhNumber of Batteries: 3Product Size: Approx. 45mm/1.78inGross Weight: 18g/0.63oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xWirelessCopyRemoteControl1 x Double Sided AdhesiveNote1. The power supply voltage should not exceed the operating voltage.2. In an environment with relatively high wireless interference, the transmission distance may be shortened.3. Keep it out of the reach of children.4. Use in a humid environment is prohibited, otherwise the remote control may be damaged.5. All data are measured manually, and there are certain errors in the measurement results.