The Nash Subterfuge Siren R3+/R2 Presentation Case is a tough, impact-proof storage solution designed to keep your valuable R2 or R3+ alarms, receiver, and spare batteries securely encased in high-density foam, protecting them from any chance of damage. The case features recesses for up to four alarms and a receiver. Note that the Siren Presentation Case is designed to accommodate alarms without their rubber impact cases. - Dimensions: 32cm (w) x 8.5cm (h) x 20cm (d)