Simplified user interface that delivers 30 (required 3000 shot can) or 90 (requires 9000 shot can) days of performance. Sleek new look designed to enhance any room. Operates with 2 or 4 “A” batteries. Top-hinge accessibility for easy of service. Provides consistent fragrance and performance. Efficient operation with a limited lifetime warranty (only valid when used with TimeMist refills). Simple, basic “15 minute” on/off control with LED alerts for refill/battery replacement.