High-quality JR-RX-12V and JR-RX-6V remote control receiver for children's electric cars. Compatible with multiple models including JR1705RX, JR1858RX, JR1758RX, JR1738RX, JR1810RX, JR1958-2S, JR1758-2S, JR1788RX, and JR1758-2S-AD. Easy setup: - Install two AAA 1.5V batteries (observe correct polarity). The indicator light flashes three times to confirm proper installation. - Press and hold the frequency button for approximately 2 seconds until the indicator light flashes. - Turn on the vehicle—the indicator light turns off when pairing is successful. - If pairing fails, power off and repeat the process. To establish connection: Press and hold both forward and reverse buttons simultaneously until the indicator light flashes; then power on the vehicle. When the light stops flashing, connection is complete. Designed for use with children’s electric ride-on vehicles. Available in multiple configurations: remote only, receiver only, or remote + receiver set. Note: Actual product color may vary slightly due to screen settings and lighting conditions. Slight measurement variations may occur due to manual measurement.