3 pieces Top 432 EV. THSIDNE's Top Series 433.92MHz Radio Remote Controls are high-quality control solutions for residential and commercial gate automation systems. The unit comes with easy-to-follow instructions for programming in less than 30 seconds. It can be programmed from an existing remote control or directly from the receiver. Designed to be thin, lightweight, and durable, it offers long battery life, typically lasting up to two years. The TOP-432EV Slimline 433MHz two-channel key fob allows individual control of two TOP series 433MHz receivers, enabling operation of a garage door with one button and an electric gate with the other. Compatible with the following 433MHz models: TOP432M, TOP432S, TOP432EE, TOP432NA, SA. Includes two CR2016 lithium batteries already installed and programming instructions. Dimensions: 69 x 12 x 32mm. Technical specifications: Number of channels: 2 Frequency: 433.92 MHz Code type: Fixed Range: 50 - 150 m Power supply: 2 x 3 V CR2016 lithium batteries Operating temperature: -20°C to +55°C Dimensions: 68 x 32 x 13 mm Weight: 16 g