Features: Application scope: home security, shopping mall anti-theft alarm systems, electric vehicles, automobiles, motorcycles, door and window control systems, intelligent controllers, wireless industrial control, and wireless data transmission. High cost performance, sleek transmitter design, long operating range, stable and reliable operation. Wireless control, easy to use, learn, relearn, and operate. Long range: compact size with stable and reliable performance, high sensitivity—signal penetrates walls, floors, and doors. Flexible operation, small size, stable and reliable performance, high receiving sensitivity, low power consumption. Interference resistance: non-directional wireless coding technology enables independent control without interference. Package Includes: 1 x Wireless Remote Control Specifications: Material: Plastic Size: Approx. 15 x 3 cm / 5.91 x 1.18 inches Color: White Working Voltage: DC 3V (two 1.5V AAA batteries) Standby Current: 0 mA Working Current: 38 mA Working Frequency: 433 MHz Operating Temperature: -20°C to +70°C Modulation Method: ASK Amplitude Modulation Frequency Deviation Range: ±75 kHz Encoding Type: Learning Code (default EV1527) Output Power: 13 dBm Number of Keys: 6 or 8 keys Note: 1. Please allow 1–2 cm measurement tolerance due to manual measurement. Ensure this is acceptable before ordering. 2. Due to variations between monitors, the product color may differ slightly from images shown.