Specifications

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General
Display: Liquid crystal display
Memory Capacity: 4,096 bytes
Power Supply: Main batteries – Two AAA-size batteries (LR03 (AM-4) or R03 (UM-4))
Back-up battery – One lithium battery (CR2032)
Power Consumption: 0.2W
Battery Life: Main batteries –
LR03 (AM-4)
• approximately 240 hours continuous operation
• approximately 1 year (1 hour use per day)
R03 (UM-4)
• approximately 200 hours continuous operation
• approximately 10 months (1 hour use per day)
Back-up battery – approximately 3 years after the low main battery warning
appears on the display
Auto Power Off: Approximately 6 minutes after last key operation
Ambient Temperature
Range: 0°C ~ 40°C (32°F ~ 104°F)
Dimensions: Open: 13.5 (H) × 145 (W) × 179.5 (D) mm
(
1
/2" (H) × 5
3
/4" (W) × 7
1
/8" (D))
Closed: 15.1 (H) × 145 (W) × 96.5 (D) mm
(
5
/8" (H) × 5
3
/4 " (W) × 3
3
/4" (D))
Weight: 138.2 g (4.9 oz) including batteries