This is product is discontinued and replaced with the ZEN74. What does that mean?

Here are the technical details for the Toggle Dimmer ZEN24 VER. 2.0:

• Z-Wave Signal Frequency: 908.42 MHz
• Power: 120 V, 60 Hz
• Maximum Load: 500W Single-gang, 400W Double-gang, 300W Triple-gang Incandescent, 150W CFL or LED
• Range: Up to 100 feet line of sight
• Installation and Use: Indoor Only
• Operating Temperature: 32-104° F (0-40° C)
• Dimensions: 4 1/8" tall x 2 1/8" wide (with heat sink tabs,1 3/4" without the tabs) x 1 3/8" deep
• Weight: 10 oz

Here are the technical details for the Toggle Dimmer ZEN24 VER. 4.0:

• Z-Wave Signal Frequency: 908.42 MHz
• Power: 120 VAC, 60 Hz
• Maximum Loads: 600W Single-gang, 500W Double-gang, 400W Triple-gang Incandescent, 150W CFL or LED
• Range: Up to 100 feet line of sight
• Operating Temperature: 32-104° F (0-40° C)
• Installation and Use: Indoor only

Questions? Just ask!