Channels: 2 – two independent buttons/outputs. Frequency: 433.92 MHz.

Coding / Security: Supports Advanced Rolling Code (ARC) plus standard Rolling Code (and even fixed or sequential codes). ARC uses 128‑bit length for high security.

Cover: Interchangeable coloured cover (green standard; other colours available as accessory) for visual differentiation.

Power / Battery: Uses an A23 battery (12 V) according to listings.

Range: Up to approximately 230 m in open space (according to one listing) though official spec may vary.

Model / SKU: Model HAPPY.2VA, SKU: 9863202 mentioned in some distributor listings.

• Ensure your receiver or control unit supports the 433.92 MHz frequency and the coding protocol (ARC/Rolling Code) used by HAPPY.2VA.

• The stated range of ~230 m is open space; in real installations (walls, interference) expect lower.

• Battery check: before installation, verify battery is good and replace if low to maintain signal strength.

• Programming: you may need to follow manufacturer instructions for coding/cloning. The manual indicates programming steps.

• Changing covers: If using a different coloured cover, ensure that the model remains compatible (just the cover colour changes).

• Verify local regulations: Some regions have licensing or frequency restrictions for remote access devices.