Good quality flashlight and spare batteries/bulbs – a head torch is most useful.
Camera with spare batteries, film or memory cards
Good quality pair of binoculars (8×30 or better)
Travel adaptor - Namibia uses plus types D and M. Plug type D is the plug which has three round pins in a triangular pattern and plug type M is the plug which has three round pins. Namibia operates on a 230V supply voltage and 50Hz.
In car charger compatible with your devices
Reusable shopping bags to avoid using plastic bags while shopping in-country
Reusable water bottle for each person travelling
Cash: You should take South African Rand. South African Rand is accepted throughout Namibia it is exchangeable like for like 1ZAR = 1N$ . You could get your change in either currency, which have the same value, but be aware that you cannot exchange or use Namibian Dollars outside of Namibia. So please try and use all your Namibian Dollars before you leave Namibia.
Credit Cards are usually accepted in the main towns and lodges. ATMS are not usually available outside the major towns and cities.
It is your responsibility to ensure you are fully and adequately insured for the duration of your holiday.