The item does not contain batteries. E will no longer be responsible for the dispute caused by saying there is no battery after receiving the package. Ultra-low power consumption standby, fast wake-up in 0.2 seconds. PIR human body sensing + radar dual alarm detection. Using high-performance ISP and 1/2.7 black light image sensor. Universal adjustment ...

Ultra-low power consumption standby, fast wake-up in 0.2 seconds. PIR human body sensing + radar dual alarm detection. Using high-performance ISP and 1/2.7 black light image sensor. Universal adjustment of solar charging board, built-in super-capacity battery (not included). Ultra-low power consumption, long-term standby. Built-in microphone and speaker, support two-way voice intercom. Sound and light alarm ...

Ultra-low power consumption standby, fast wake-up in 0.2 seconds. PIR human body sensing + radar dual alarm detection. Using high-performance ISP and 1/2.7 black light image sensor. Universal adjustment of solar charging board, built-in super-capacity battery (not included). Ultra-low power consumption, long-term standby. Built-in microphone and speaker, support two-way voice intercom. Sound and light alarm ...