Works with the 4-Channel Receiver (STI-34104), 4-Channel Voice Receiver (STI-V34104), 8-Channel Receiver (STI-34108) or Single Channel Slave Receiver (STI-34098).
Supervised for low battery and signal reception
Operates up to 1000' (line of sight) between sensor and receiver
44' range and 90° field of view (45° to each side)
Includes 3 volt lithium battery (CR123A)