Answer:
The SM 7CA is compatible with two 1.5V dry cells (they are not included) or three 1.2V Ni-Cd rechargeable cells (they are not included), toggled via an onboard selector switch. An external charging cord is provided for recharging Ni-Cd cells (they are not included).
The Sivananda SM 7CA provides versatile power options to match stationary checkpoint setups or remote security operations:
- Primary Cell Compatibility: Operates using two standard 1.5V dry cells (they are not included).
- Rechargeable Cell Compatibility: Operates using three 1.2V Ni-Cd rechargeable cells (they are not included).
- Power Selection Switch: Features an onboard battery (they are not included) selector switch to toggle between dry cell and rechargeable Ni-Cd modes.
- Recharging Accessory: Includes an external charging cord for recharging compatible Ni-Cd cells (they are not included) directly within the unit.
- Current Consumption Profile: Draws 10.4 mA with LED active and 19.4 mA during active sound and LED alerts, delivering up to 100 hours of continuous runtime on a fully charged set of cells (they are not included).