Features: 1Intelligent wireless remote control switch support multiple working modes electric selflocking interlocking. 2Using encrypted radio frequency wireless signal it can pass through 3 wall without interference. 3To install a wireless wall switch on the lamp only need to install the receiver between the controlled device and the power supply. 4The external antenna enhances and stabilizes the signal and the transmission distance can up to 100 meters outdoors. 5The lighting system can be expanded freely but the existing system is not affected easy to install and control. Specification: Condition: 100% Brand NewItem Type: Intelligent Wireless Remote Control Switch SetMaterial: PlasticWeight: Approx. 131g-132g / 4.62oz-4.66ozControl Switch Size: Approx. 9x8.5x1.6cm / 3.5x3.3x0.6inReceiver Size: Approx. 5.8x7x3cm / 2.3x2.8x1.2inController Battery Specification: 1 x CR2025 Button Battery Capacity: 150mAh (Battery Not Included)Remote Control Distance: 50-100m / 164-328.1ft in open areaNumber of remote controls that can be stored: 32Receiving Sensitivity: -107dbm Package List: 1 x Receiver1 x Control Switch (Battery Not Included)2 x Sticker Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.