HQRD-H1RLD-XX1     Dual Group with Raise/Lower Keypad and 450 W Dimmer 
HQRD-H2RLD-XX1     Dual Group with Dual Raise/Lower Keypad and 450 W Dimmer 
HQRD-H3BSRL-XX1   3 Button with Raise/Lower Keypad and 450 W Dimmer 
HQRD-H4S-XX1        4 button with Raise/Lower Keypad and 450 W  Dimmer 
HQRD-H5BRL-XX1     5 Button with Raise/Lower Keypad and 450 W  Dimmer 
HQRD-H6BRL-XX1     6 Button with Raise/Lower Keypad and 450 W  Dimmer 

Specifications

Power 120 V~ 50 / 60 Hz
Typical Power Consumption 0.75 W 
Test conditions: load is off, all backlights on medium intensity, two status LEDs on (two presets active), keypad powered at 120 V~.
Regulatory Approvals UL, CSA, NOM, FCC, IC, COFETEL Environment Ambient operating temperature: 32 °F to 104 °F (0 °C to 40 °C), 0% to 90% humidity, non-condensing. Indoor use only.
Communications Hybrid Keypads communicate with the HomeWorks® QS system through Radio Frequency (RF) and must be located within 30 ft (9 m) of a repeater. Remote dimmers are not required to be within a specific range of a repeater. 
ESD Protection Tested to withstand electrostatic discharge without damage or memory loss, in accordance with IEC 61000-4-2.
Surge Protection Tested to withstand surge voltages without damage or loss of operation, in accordance with IEEE C62.41-1991 Recommended Practice on Surge Voltages in Low-Voltage AC Power Circuits.
Power Failure Power failure memory: should power be interrupted, the control will return to its previous state when power is restored.
Mounting Requires a U.S. wallbox. 3 ½ in (89 mm) deep recommended, 2 ¼ in (57 mm) deep minimum. If mounting one control above another, leave at least 4 ½ in (114 mm) vertical space between them.
Wiring Uses conventional 3-way and 4-way wiring.